Essential oils are everywhere these days.

You can buy a wide variety of scents meant to provide comfort and relaxation, relieve stress, or to stimulate and excite.

Essential oils can be applied directly to your skin using a carrier oil for spreading, or diffused through the air using an essential oil diffuser.


Diffusers are little machines that take drops of an essential oil, mix the oil with water, and distribute into the air so you’re able to breathe the oil in and enjoy the oil ambiently.

With so many essential oil diffusers on the market, we decided to gather all the information you might need in order to make a good decision on which diffuser is best for you, and to review some of the top options available.

What is an Essential Oil Diffuser?

Essential oil diffusers are used in aromatherapy to diffuse essential oil into the air. You insert drops of the oil, turn the diffuser on, and are able to smell and inhale it in the air. As you breathe in the scent of the oil, you’ll receive the relaxing benefits that the oil contains.

Instead of going out to a relaxing location, you can turn your home into a place for aromatherapy with an essential oil diffuser. Not all diffusers are created equal though.

What are the Differences Between Humidifiers and Diffusers?

It’s not uncommon for people to confuse diffusers and humidifiers. They can look fairly similar and are both used to treat the air you breath. They’re different though in what they’re designed to do and the tasks they perform.

Humidifiers are used when the air is dry to increase the moisture content in the air. They can be stand alone appliances or integrated into a larger heating system to humidify an entire home.

Humidifiers are popular in drier climates and in moderate climates during the winter when furnaces and heating systems dry out the air.

While a diffuser emits water vapor into the air like a humidifier, diffusers are designed to take and mix essential oils with that water, while humidifiers can be damaged if used with essential oils.

Generally it’s not recommended to use a diffuser and humidifier at the same time, as too much humidity in the air will dampen the effects of the essential oil from the diffuser.

READ MORE: Best Humidifier Reviews and Buying Guide for 2018

Top 10 Best Essential Oil Diffuser Comparisons

There are a lot of great essential oil diffusers on the market today, and a lot of new ones being designed and produced each year. We’ve narrowed down our list to what we believe are the bet top 10, and ranked them for comparison here.

Zen Breeze
Zen Breeze
URPOWER® 360-Degrees
URPOWER® 360-Degrees
TomCare Square
TomCare Square
Water Capacity300 mL (10 oz.)300 mL (10 oz.)300 mL (10 oz.)100 mL (3.38 oz.) 100 mL (3.38 oz.) 100 mL (3.38 oz.) 500 mL (17 oz.) 500 mL (17 oz.) 400 mL (13.5 oz.)  700 mL (24 oz.)
Run-Time Hours10810665.510161220
Timer1h, 3h, 6h1h, 3h, 6h1h, 3h, 6hNoNo1h, 3h, 6h1h, 2h, 3h1h, 2h, 3h1h, 3h, 6h1h, 3h, 6h
Adjustable Mist (Low/High)YesYesYesYesYesYesYesYesYesYes
Intermittent/ Continuous MistNoNoNoYesYesNoNoNoNoNo
Auto ShutoffYesYesYesYesYesYesYesYesYesYes
7 LED Lights










 Before you go out and pick up your essential oil diffuser, here are a few considerations to keep in mind: 
  • Firstly, remember that your diffuser is only as good as the essential oil it’s used to diffuse. You can check out the best essential oil brands for more on how to select a quality essential oil.
  • Different types of diffusers work slightly differently and have some different parts. If you pick out an ultrasonic unit for instance, you won’t need to worry about filters.
  • Different diffusers may offer unique features like special colored lights on the top and sides. See the full diffuser reviews to learn more about the unique features offered by each diffuser.
  • Cool-mist diffusers produce little to no heat which may degrade the benefits of your 100% pure essential oils. So we recommend purchasing a cool-mist diffuser.

1. Zen Breeze Wood Grain Ultrasonic Essential Oil Diffuser

Our Rating: 5 out of 5 stars

If you’re looking for a beautiful diffuser that won’t look tacky in your home, this Zen Breeze Wood Grain diffuser is perfect.

The dark wood grain looks beautiful with the lights turned on, and it has 14 different light colors to choose from. Kids love the way it lights up the night.

This diffuser can take up to uses 10 ounces of water at one time. After 10 hours, it’ll turn off on its own, which is a nice safety feature. This diffuser is noiseless and is made with BPA-free plastic.

2. TaoTronics Cool-Mist Ultrasonic Essential Oil Diffuser

Our Rating: 5 out of 5 stars

This cute little diffuser is an amazing addition to any home. Place it in your home to help with seasonal allergies or aromatherapy as it diffuses a cool mist, turns off by itself, and can be set on a timer so it’ll run all night long.

With only a couple drops of your favorite oil, you can keep this diffuser running for as long as you need it to. Set it to one color or let it cycle through all the available color options.

 Full Review

3. VicTsing Ultrasonic Cool-mist Diffuser

Our Rating: 5 out of 5 stars

Especially if you have wooden furniture, you’ll love this wood grain diffuser by VicTsing. When you turn it on, you’ll see a small light run around the center, but you can always turn that off if it bothers you.

Let this diffuser run for up to 6 hours before it will turn off on its own. Rest assured that even if you leave the house and forget to turn it off, your home will be safe.

Use any oil, including citrus oil, since this diffuser is easy to use and clean. Its lack of noise is nice if you have young kids or babies because it will not disturb sleeping.

 Full Review

4. InnoGear Aromatherapy Essential Oil Diffuser

Our Rating: 5 out of 5 stars

This diffuser may not fit in as well with the décor of your home, but it’ll still make your home smell amazing. The tank of the InnoGear diffuser can hold 3.3 ounces of water.

It’s so strong that it can help get rid of unwanted smells in your home if you just leave it out and let it run. This diffuser features seven different colored lights or the lights can be turned off if they bother you.

 Full Review

5. URPOWER 2nd Generation Essential Oil Diffuser

Our Rating: 5 out of 5 stars

With an appearance similar to the InnoGear, this URPOWER diffuser sends out your favorite oils into the air with just a little over 3 ounces of water. It’s so small that you can fit it anywhere without it being intrusive or adding to the clutter of your home. It’s small water tank means that it’ll turn off after only about 6 hours though.

Keep it on overnight, maybe in the bathroom to provide you with a little light. (You can turn the light off too you want). It’ll stay quiet when it’s running, and is easy to clean.

 Full Review

6. URPOWER 360-Degree Rotating Nozzle UltrasonicDiffuser

Our Rating: 5 out of 5 stars

URPOWER is a great company when it comes to diffusers.The misting top of this diffuser actually turns all the way around so the flow of the mist can be directed how you like, rather than just shooting straight up into the air.

Watch the LED lights when it’s dark, as you let it scroll through all the colors or just set it to one color for when you sleep. It will hold 3 ounces of water.

 Full Review

7. URPOWER 500 mL Essential Oil Diffuser

Our Rating: 5 out of 5 stars

Use this smaller unit by URPOWER in any tiny space. Many people love to use it for their baby or children. Just pour in 2 cups of water and it’ll turn itself off when the water is gone.

Since it doesn’t have BPA, it’s completely safe to use with any sort of oil you have on hand. Add oils like eucalyptus, menthol, peppermint, and chamomile to help with sinus infections or with relaxation.

Use it to sleep, or let this cute diffuser help when your sinuses are a little blocked up.

 Full Review

8. ASAKUKI Cool-Mist Ultrasonic Essential Oil Diffuser

Our Rating: 5 out of 5 stars

For a small diffuser with a sleek, yet homey design, pick out the ASAKUKI oil diffuser. This diffuser holds more water than any of our other diffusers, holding up to 17 ounces.

You can fill the whole thing up with water and add about 10 drops of oil in order to receive the full effects. Leave it to light up in 7 different colors, your favorite color, or just let it sit without any color at all. It will remain quiet even if you leave it on all day or all night.

 Full Review

9. URPOWER 400ml Ultrasonic Essential Oil Diffuser

Our Rating: 5 out of 5 stars

Now this URPOWER diffuser has a unique design to it. It’s sleek, stylish, and has a great color that will make your home look that much more beautiful. Set it anywhere in any of the available colors that will match your furniture. Fill it with 13 ounces of water and let it go for as long as you need it to.

This diffuser will keep running without you needing to worry. The plastic is strong, and the feet will hold it in place in case you bump the table. Use the lights to relax after a long day.

This diffuser is easy to use and clean, making your life that much more relaxing.

 Full Review

10. TomCare Square Cool-Mist Essential Oil Diffuser

Our Rating: 5 out of 5 stars

This diffuser by TomCare has a square design that most other diffusers lack, making it great to look at, especially with the wood design elements. The unit itself will light up all over once you turn it on.

Use it for sinus congestion or aromatherapy as you clear up the air and get rid of any musty smells. Click on the buttons in the front to get it to run right, since it’s easy to use on top of looking great too.

 Full Review

Full Reviews for Top 10 Best Ultrasonic Essential Oil Diffusers

1. Zen Breeze Wood Grain Ultrasonic Essential Oil Diffuser

Our Rating: 5 out of 5 stars

Conveniently use the new Zen Breeze Wood Grain Ultrasonic Essential Oil Diffuser all around your house, thanks to its clever design.

It removes smoky smells, other odors, and fills the room with nice aromas that will help you relax and enjoy your time indoors. In addition, it is a small ionizer that helps negative ions move around and improve your mood, relieving everyday stress and anxiety.

Place it in any room of your choice – from your bathroom, bedroom and kitchen, to the yoga or massage studio, or any other professional office setting.

Because there is no heat source, this diffuser does no damage to the molecular structure of essential oils, allowing them to remain 100% pure and retain all their therapeutic qualities.

It’s made out of Bisphenol A plastic materials that mimic the look of real hardwood, but contain no harmful BPAs.

Zen Breeze Wood Grain Ultrasonic Essential Oil Diffuser on table

This diffuser is perfectly safe to use around children.

Used with or without essential oils, the cool humidifying mist put out by this diffuser can be very helpful when you or your kids have trouble breathing from congested sinus, colds, or allergies.

When you first get this diffuser, you may choose to use it without essential oils at first to see what the effects of increased humidity in your space are. You may start to see immediate improvements to the health of your skin and lips, due to the increased humidity.

This humidifier is silent and perfectly safe to use while you are sleeping.

It has a timer for 60, 180 or 360 minutes, but it is able to run about 10 hours with one filling of water.

When the water is gone, you will not have to worry about it overheating or getting damaged because it’s designed in such a way that it will stop immediately after all of the water evaporates; and announce it with a simple beeping sound.

This diffuser is 6.7 inches tall and 5.1 inches wide. It weighs around 16 ounces and holds around 300 mL (10 ounces) of water.

Depending on the type of essential oil you use, you are should to add 5 to 10 drops and the fragrance will be spread over an area of approximately 500 square feet.

Thanks to the materials it is made of, you will have no trouble keeping this diffuser clean. It is enough to run clear distilled vinegar for 10 minutes through it every now and then and wipe the nooks and crannies with regular cotton swabs. Rinse in cool water, dry off, and it’ll be ready for further use.

Thanks to its faux wood grain design, this device will harmonize and compliment any decor!

Its 14-color LED lights create a soothing atmosphere, and you are able to choose to run one color at a time, turn them off completely for a good night’s sleep, or set it to cascade slowly through all of them.

money back guarantee stamp

This product is compatible with a USA 110/120 Volt outlet, 50/60 Hz and the ultrasonic vibration is set to 2.4 MHz.

Purchases include a measuring cup and a User Manual, and you are entitled to a 90-day money back guarantee.

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2. TaoTronics Cool-Mist Ultrasonic Aromatherapy Essential Oil Diffuser

Our Rating: 5 out of 5 stars

The TaoTronics® essential oil diffuser model number TT-AD002 is elegantly shaped made of plastic with a faux wood grain base to complement your home or office décor. The diffuser’s water reservoir holds 300 mL (10.14 ounces) of water to cover about 250- to 450-square feet of space using your favorite essential oils (not included).

The therapeutic benefits from nature’s plant oils are impressive with its 5 working methods as an essential oil diffuser, a small humidifier with or without oils, a night light, air purifier, and an ionizer producing negative ions that are beneficial in the bloodstream increasing our levels of serotonin in the brain to relieve depression, anxiety, and stress, boosting our energy levels.

TaoTronics Cool-Mist Ultrasonic Aromatherapy Essential Oil Diffuser with girl doing yoga in background

For best results, use purified, filtered, or distilled water in the reservoir made of PC (polycarbonate) plastic that is sturdy and tough with rubber feet on the bottom to prevent slipping and falling. Ordinary tap water has iron, calcium, and other minerals that can clog the system. Tap water will leave a white dust on your furniture—that dust is the minerals. Add 5 to 10 drops of essential oils including citrus oils such as lemon, orange, grapefruit, and lime to the water. Peppermint and eucalyptus can be used as well in this diffuser.

With pure essential oils, the fragrance is pure from nature’s plants. It smells nothing like cheap chemically made room deodorizers and candles. Those are phony and unhealthy scents. Do not use perfumed or flower waters in the diffuser.

The TaoTronics® essential oil diffuser offers fragrance and beauty for your home and office décor, gyms, spas, Yoga, Tai Chi, Pilates, physical therapy, or massage studios. These are used in chiropractor, dentist, and professional office settings including hotel lobbies, boutiques, hair, feet, and nail salons. Your kids will love the 7 long-life LED lights that cascade through the colors of cyan, aqua, yellow, blue, purple, red, and green. Set the lights to be dim or bright, one color, no lights, or continuously changing. The lights will calm and relax you. The diffuser is small making it portable to take with you and plug in.

TaoTronics Cool-Mist Ultrasonic Aromatherapy Essential Oil Diffuser infographic showing dual mist light and strong feature

The unit is whisper quiet, the timer can be set for 1-, 3-, or 6-hours or continuous mode and will shut off automatically when the reservoir is out of water for safety with 2 beeps. Your essential oils will aid dry skin, lips, hands, hair, dry and clogged nasal passages, sinusitis, allergies, asthma, and add moisture to your environment. The aroma of the oils will be in the air for removing offensive odors such as tobacco smoke, pet, and cooking smells. The mist can be set for low or high. The higher it is will use oils quicker. The mist is always cool because there is no heating element in the diffuser to make it hot. It should run about 8 hours before shutting down.

Clean the unit quickly and easily with clear distilled vinegar, citric acid, or rubbing alcohol using a cotton swab. Run any of the chemicals about 10 minutes, then run clear water about 10 minutes, and the residual oils will disappear. Rinse well and air dry after you’re finished.

Plug the 6-foot UL listed cord into a 110/120-Volt outlet in the USA at 13-Watts power. You can buy an adapter for 220/240-Volts on® to use outside the USA. It does not run on batteries.

The dimensions are 6.5-inches tall x 6.5-inches in diameter and it weighs about 14.9 ounces.

Gift-wrapping is available for your loved ones and friends. You will receive in the box the TaoTronics® diffuser, A/C adapter cord, measuring cup, User’s Manual and a 30-day money back guarantee. The diffuser is made in China.

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3. VicTsing® Wood Grain Ultrasonic Cool-mist Diffuser

Our Rating: 5 out of 5 stars

The VicTsing® is oh so Zen with its 300 mL (10 ounces) water capacity, wood grain, and light band around the middle! Light does not emit from the wood portion of the unit. It is a beautiful light source. It is perfect for your home, office, in your Yoga and massage therapy studio, chiropractic office, professional office setting, hotel lobby, or take with you when traveling. This is not a primitive looking unit; it is very contemporary and modern for today’s lifestyle. A 5-in-1 unit, this is a diffuser, a small humidifier, an ionizer, a night light, and an air purifier.

The natural looking light colored faux wood grain finish will go well with wood furniture and any décor. Put one in each room of your home, in your office, in a hotel or bank lobby, in your Yoga studio, or massage and physical therapy rooms. The fragrance will be inviting and soft to your visitors and family at home. You can use only water for a small humidifier for a sick child’s room or add eucalyptus essential oil. Also good for babies and toddlers are melaleuca also known as tea tree, peppermint and lavender, but only use half the adult amount of drops.

The changing colors long-life LED lights will be sure to please and sooth. They will stay at one color that you choose, or turn the light completely off. This diffuser lets you control the brightness and dimness of the lights.

The diffuser is not BPA (Bisphenol A) free and is made of PP (Polypropylene), ABS (Acrylonitrile Butadiene Styrene), and PC (Polycarbonates). Polycarbonates of BPA are lightweight and do not shatter being extremely durable.

Remove the top part that only sits on the base. It does not screw on or twist and click to lock into place, so be careful. Fill the diffuser’s water reservoir to the max line with distilled water to eliminate mineral build up from tap water or well water. Distilled water is cheap at only about $1 per gallon at most stores and is worth it. Add 5-10 drops of 100% pure essential oils (not included) and enjoy a wonderful aromatherapy experience. This unit has no problem with citrus, eucalyptus, peppermint, or heavier oils. The white cord plugs into the base of the unit in the small circle.

The oils also provide therapeutic benefits for congested sinus and nasal passages. The oils you select will additionally remove doggy odors and smoky smells. The mini-humidifier will help dry chapped lips, cracked dry hands, and provide healthier sleeping at night. This is not an air conditioner and does not perform as an air conditioner. Air conditioners remove moisture and this unit provides moisture.

The unit will shut off automatically when it runs out of water so you will have no concerns for it burning up in the baby’s room or your bedroom. The operating time is about 10 hours at the low-mist setting for 30 mL (0.10 ounces) of moisture in your area of 500-square feet each hour. The unit is ultra-quiet so that you can watch TV and have conversations.

Set the timer using the pre-set modes to run 1-, 3-, and 6-hours, or to run constantly until the water is gone with a beep tone. To clean the unit, put clear distilled vinegar in the water tank and let it run 5-10 minutes, rinse and towel or air dry.

Plug the 5.8-foot UL listed cord into a USA 110/120-Volt outlet, 50/60 Hz, and in Europe and countries outside the USA, plug into a 220/240-outlet, at 0.35-Amps. Output is 24-Volts, 650 mA. The ultrasonic vibration is 2.4 MHz.

The diffuser is 6.6-inches wide x 5.7-inches tall and weighs about 14 ounces.

Gift-wrapping is available for family, loved ones, and friends. You will receive with your diffuser the power cord, water measuring cup, and a User’s Manual. The VicTsing® Company diffuser comes with a 45-day money-back guarantee, and an 18-month hassle-free Warranty.

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4. InnoGear® Aromatherapy Essential Oil Diffuser

Our Rating: 5 out of 5 stars

The lovely white InnoGear® 100 mL (3.38 ounces) Aromatherapy Essential Oil Diffuser is portable, and is an Ultrasonic cool mist aroma humidifier with color LED lights that change. The superb diffuser is a beautiful unit to match any décor. The 7 changing LED lights of green, dark blue, red, yellow, pink, light blue, and white will sooth your child when feeling bad or needing some sleep. The lights can be adjusted to dim/bright and fixed in the on position.

It has a convenient automatic shut off switch for any room anywhere. Mood uplifting and a stress remover, this pretty essential oils diffuser uses 100% pure essential oils to eliminate pet odors, stale tobacco smells, and is wonderful in the bedroom for an aromatic fragrance when falling asleep.

Whisper quiet, the aromatherapy essential oil diffuser combines aroma with moisture for clearing stuffy noses, dry chapped skin and lips, and lubricates sinuses. There are 3 operating functions with an intermittent mist of 30 seconds on and 30 seconds off, or if you like, leave it on continuously. Toggle for the misting button: green/red/off. Green is an intermittent mist cycling at 30 seconds of mist and pausing for 30 seconds. The red button is for a constant mist. You can use “off” for the light changing colors without any mist.

The unit shuts off when the water runs out. When refilling the reservoir, add water below the Max line; less water means more mist. A measuring cup is included for filling the water container. The power cord is 6-feet long, and It is made of polypropylene (PP), a durable plastic, that is BPA-free with no toxins. It runs for 3 hours with the continuous cycle and 6 hours on intermittent. It effectively covers 250-square feet.

The diffuser is wonderful in your living room, bathroom, child’s room, office, and is a perfect gift to give to someone. It is so small you can take it on a trip with you. With the essential oils, not included, the Ultrasonic diffuser does not use heat, so no burning to anyone’s hands.

Plug the 6-foot UL listed power cord into a USA 110/120-Volt, 50/60 Hz/2.4 MHz outlet or 240-Volt outlet for Europe and countries outside the USA. Power is 12-Watts.

The dimensions are 3.9 x 5.5 x 3.9-inches and it weighs 7 ounces.

A User’s Manual is included as well as a wall charger, a measuring cup, and a 45-day money back Guarantee is provided with an 18-month product Warranty.  Download the free eBooks here . The diffuser is made in China and ships from the USA.

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5. URPOWER® 2nd Generation Cool Mist Essential Oil Diffuser

Our Rating: 5 out of 5 stars

The second-generation URPOWER® aroma essential oil cool mist humidifier is even better than before! It produces more mist than the previous version. It is ideal for your bedroom nightstand, office, spa, boutique, classroom, and anywhere you want the aroma with humidity. Providing you with your favorite fragrance without heat, the unit’s holistic approach in design gives you moist air that smells clean and fresh. Being small at 5.5-inches tall and 3.1-inches across the base, it is portable to take with you traveling.

The unit will cover 150- 350-square feet. Remove cover, add 100 mL (3.38 ounces) of tap water with included measuring cup not filling past the top line, add 2 drops of 100% essential oils, put cover on, tighten it, plug in. No filters are required. The red light is for a continuous mist and the green light is for an intermittent mist of 30 seconds on and 30 seconds off. There is no beeping sound when it automatically turns off. The unit does not have programmable timer settings; it simply shuts off when empty. The LED light can be turned off when operating with no colored light.

Simply press the “mist” button to turn it on and press again to change the mist setting to your desires. The “light” button turns the LED light on and there are 7 light colors of light pink, dark pink, yellow, light misty green, darker green, turquoise, and lavender. The colors change automatically and if you press the “light” button again, you can change the colors manually. You can also adjust the light to be either bright or dim. Use as a table or desk light and a bedroom night light. It will operate up to 6 hours and is whisper quiet so you can sleep or relax.

Maintenance is easy by adding a little water and wiping the inside with a soft brush or cotton swab gently. Pour the water out from opposite side of “air outlet” to avoid getting water into the unit that can damage it and dry.

The URPOWER® ultrasonic aroma essential oil combined diffuser-humidifier will help with a stuffy dry nose, sinuses and is safe to use. It is beneficial for dry hands, chapped lips, and mucous membranes in your nose and great for your hair. Made of polypropylene (PP) hard plastic it withstands impact and breakage, and will not leach BPAs so it is non-toxic.

The very small electronic board should not be touched. It produces the internal ultrasonic wave vibrations for the unit to function properly. The unit might stop working and indicate an error if touched with your hands.

You might want to purchase this affordable unit for a friend or loved one and gift-wrap is available. The power is A/C 100/240-Volt 50/60 Hz and comes with a charger adapter. Advanced ultrasonic technology is 2.4 MHz. It can be used in Europe. The power cord is about 70-inches long (~6-feet). There are no batteries. You will receive a User’s Manual. The shipping weight is about 14-ounces and the unit weighs 7 ounces. Warranty is 45 days with a money back guarantee with an 18-month warranty.

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6. URPOWER® 360-Degree Rotating Nozzle Ultrasonic Diffuser

Our Rating: 5 out of 5 stars

The URPOWER® model number OD-202 aromatherapy diffuser holds 100 mL (3.4-ounces) of water.® title shows 200 mL (6.8-ounces) of water and that is not correct. See picture 2 below for milliliters (mL) equals 100.

URPOWER 360-Degree Rotating Nozzle Ultrasonic Diffuser infographic showing how to use

Add your 100% pure essential oils (not included). The dark brown wood grain is plastic, with 7 LED lights, 4 timer settings, and adjustable mist modes for the way you like it best.

URPOWER 360-Degree Rotating Nozzle Ultrasonic Diffuser infographic showing seven different led light settings

What makes this diffuser unique is that the top turns 360-degrees to point the mist where you want it to be. You usually only see that on high-end portable humidifiers. It is a small humidifier by virtue of the water mist it emits. Being a water mister, it also produces negative ions that you can experience in the rain, the shower, or waterfall to feel calmed.

URPOWER 360-Degree Rotating Nozzle Ultrasonic Diffuser infographic showing rotating feature

For aromatherapy, coverage is 236-square feet and for humidification the coverage is about 130-square feet. It is quiet with a noise level of 36 dB (decibels). The medical grade plastic is made of polypropylene (PP), acrylonitrile butadiene styrene (ABS), and polycarbonate (PC).

The unit will shut off automatically when the water is gone for safety. It produces a cool-mist because there is no heating element inside. It does not run on batteries or in the car. It does have beep sounds that cannot be turned off.

The top lid does not screw down, it simply lifts straight off. The dimensions are shown in the picture below to see how it fits in your space, baby’s room, classroom, spa, or wherever you want one for a great fragrance and therapeutic benefits using your essential oils. It weighs 14.5-ounces empty and has rubberized feet to hold it in place.

Plug the UL® listed cord into a 110/120-Volt, 50/60 Hz, outlet; 2.4 mHZ Outside the USA, Canada, or Mexico you will need to buy a 220/240-Volt adapter.

Gift-wrapping is available for your loved ones and friends. You will receive the User’s Manual, A/C adapter found inside the bottom base, and a 6-month Warranty. It is made in China.

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7. URPOWER® 500 mL Essential Oil Diffuser

Our Rating: 5 out of 5 stars

The 17 U.S. ounces (500 mL) URPOWER® holds enough water to run continuously for 10 long hours! The combination diffuser and humidifier allow you to have it both ways. Add humidity to the air and enjoy the fragrant aromatherapy or use the humidifier with no oils for moisture in the air for dry skin, colds, and the flu virus. Excellent for a baby’s room or for yourself to get a good night’s sleep. Use only 100% pure therapeutic oils—even citrus—for a beneficial refreshing moment. Purchase oils separately since they are not sold with the unit.

Features and Performance

This beautiful unit has 5-in-1 operations as a humidifier, an aromatherapy diffuser, air purifier, an ionizer to provide healthful negative ions, and as a night light. The ionizer provides negative ions for up lifting your mood and improving feeling depressed.

Positive ions—are usually carbon dioxide molecules that have been stripped of an electron. Positively charged ions seem to have a negative effect on your body. Positive ions at an excess, can leave you feeling tired, fatigued, with no energy, and you will feel irritable, anxious and tense, that can influence depression and asthma. Positive ions come from wind, dust, and pollution, too much climate humidity, and are especially high during an electrical thunderstorm. Rain itself produces negative ions.

You are able to diffuse or humidify a room with aromatherapy up to 430-square feet 40 (sq. m) and humidify a room up to 269-square feet (25 sq. m)

Useful for—your home, office, hotel lobby, boutique, spa salon, or massage studio, and a child’s room. The beneficial properties of the essential oils are wonderful for dry chapped lips, dry skin, sinusitis, dry nose mucous membranes, allergies, and for having healthy hair by adding air moisture. The fragrant scent will hang in the air to remove pet odors, stale tobacco smoke, and other offensive smells. The rubberized feet on the bottom keep it from sliding off your surface.

The technology used for this ultrasonic diffuser produces vibrations at a frequency of 2.4 million times per second. This means it breaks down the essential oils into micro-particles without using any heat. The oil’s components are destroyed by heat and this is a benefit to you using this device. Nature’s oils are preserved for you to enjoy and benefit.

LED lights—come in 7 different colors of red, orange, yellow, green, blue, violet, and pink with 4 timer settings to choose from on the “mist” button of 60-, 120-, and 180-minutes to operate or turn to the “off” mode to operate without lights. The “light” button on the left turns the unit on and off. The “mist” button on the right lets you choose intermittent from 30-seconds on and 30-seconds off. You can select the intensity level for the lights to be dim or bright. The continuous mist runs for 8 to 10 hours. This diffuser will also operate with the light off and without oils to be only a humidifier. You can set the mist to disperse for a greater or less intensity.

URPOWER 500 mL Essential Oil Diffuser infographic showing high:low control and mist control

Water level—must be just below the Maxline. This is important for proper functioning. If you put in too much water, the mist will be insignificant. Water must be in the tank (reservoir) or the unit will not turn on. The unit has an automatic shut off and remember that it will not restart again until you fill the reservoir with water again.

Essential oils—for best performance must be 100% pure therapeutic grade including citrus oils. Add 3-5 drops of oil and you are ready to enjoy your favorite fragrance and moisturize the air as well. Use regular tap water, but not well water. Please read the essential oil labels to be sure there are no filler oils, commercial blended or carrier oils that can stop up your wonderful unit. You can blend your own 100% essential oils together in the unit.

Diffuser materials—are PP (Polypropylene) and ABS (Acrylonitrile Butadiene Styrene) and is BPA-free (Bisphenol A (BPA), an organic synthetic compound used in plastics. Everyone today wants to know that the plastic items they use are BPA-free and no wonder—the toxins are not good for anyone’s health. Be assured these diffusers are BPA-free with no toxins to worry about.

Maintenance—is quick and hassle-free. After you use your unit 5 to 6 times, first unplug the unit from the base. Fill the water reservoir with 17 ounces (500 mL) of water and one tablespoon of citric acid (sour salt) or two tablespoons of distilled (white) vinegar. Use a cotton swab to clean after letting the mixture soak 5 to 10 minutes. Pour out the solution being careful not to let it get into the air outlet hole on the side. Never submerge the unit in water. Allow the unit to air dry or use a paper towel to dry it inside and out. Mildew and bacteria will grow in your diffuser if you let water sit inside for days and weeks. Always leave it clean and dry when not in use.

Important Details

  • Dimensions: 6.6-inches W (168 mm) x 4.8-inches T (121 mm)
  • Weight: 18 ounces (520g)
  • Power: A/C 100/240-Volts 50/60Hz (European usage) D/C 24 Volts 650 mA
  • Power Cord: 5.5 feet (170 cm)

Here’s what you get in the box

  • URPOWER® Ultrasonic Air Humidifier/Diffuser
  • A/C Power Adapter
  • Water Measuring Cup
  • User’s Manual
  • Warranty in Box

The URPOWER® is an elegant diffuser with the light colors changing and blending into one another for a soothing effect. Gift-wrap is available so why not get one for yourself and treat your friend or loved one with this powerful large diffuser humidifier combination. He or she will love it and you will to.

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8. ASAKUKI Cool-Mist Ultrasonic Essential Oil Diffuser

Our Rating: 5 out of 5 stars

The ASAKUKI—Japanese for air in the morning—is a new diffuser to the marketplace this year. It holds 500 mL (17-ounces) of water, is lovely and soft to look at with a faux wood grain base. The entire top lights up with the 7 changing color LED lights and it will run 16 hours on the low mist setting.

You are able to diffuse or humidify a room with aromatherapy up to 430-square feet and humidify a room up to 269-square feet. The diffuser is a 5-in-1 unit as a diffuser, a small humidifier, a negative ionizer, air purifier, and night light. It has a timer and shuts off automatically when it’s out of water.

It will run for 60/120/180 minutes or continuously. You can have the lights on without using the diffuser or turn them off completely. Add 2 to 8 drops of your favorite essential oils (not included) for aromatherapy and healthy benefits.

ASAKUKI Cool-Mist Ultrasonic Essential Oil Diffuser infographic showing how to use

Plug the UL® listed cord into a 110/120-Volt, 50/60 Hz outlet. Outside the USA, Canada, or Mexico you will need to buy a 220/240-Volt adapter. It does not use batteries and cannot be used in the car.

The dimensions are 4.76-inches tall x 6.6-inches wide and weighs about 16-ounces.

Gift-wrapping is available for your loved ones and friends. You will receive the User’s Manual, A/C adapter found inside the bottom base, water measuring cup, a 1-year warranty and a 6-month money back guarantee. It is designed in Japan and made in China.

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9. URPOWER® 400 mL Cool-Mist Ultrasonic Essential Oil Diffuser

Our Rating: 5 out of 5 stars

The URPOWER® tulip-shaped Zen looking diffuser is huge holding 400 mL (13.5-ounces) of water to cover about 500-square feet. The faux wood grain is offered in light or deep brown.

It has 4 timer settings with high and low misting, 7 changing-color LED lights for setting a mood or put the kids to sleep. It is whisper quiet and shuts off when it’s out of water. The medical grade plastic is made of polypropylene (PP), acrylonitrile butadiene styrene (ABS), and polycarbonate (PC).

URPOWER 400 mL Cool-Mist Ultrasonic Essential Oil Diffuser infographic showing seven different led light settings

Use your 100% pure essential oils (not included) for summertime congestion and air conditioning dry environments. Use in winter for the same dryness when the furnace is running with the small amount of humidity it emits. The dimensions are shown below.

Plug the UL® listed 5.5-foot cord into a 110/120-Volt, 50/60 Hz, outlet; power 650 mA, 14-Watts, 2.4 mHZ. It does not use batteries and cannot be used in the car. Outside the USA, Canada, or Mexico you will need to buy a 220/240-Volt adapter.

Gift-wrapping is available for your loved ones and friends. You will receive the User’s Manual, A/C adapter found inside the bottom base, water measuring cup, and a 6-month Warranty. It is made in China.

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10. TomCare Square Cool-Mist Aromatherapy Essential Oil Diffuser

Our Rating: 5 out of 5 stars

The TomCare diffuser is a striking square design with wood accents and the lights cover the entire unit and we haven’t seen many diffusers in this shape. The UPC number 713924816489 is a best seller on®.

The diffuser is a 5-in-1 unit in that it not only emits a fragrant mist, but the water produces negative ions that boosts moods and is calming. It’s like the feeling you get when it’s raining—you feel soothed and want to take a nap. Plus, it’s a nightlight that delights the kids, and a small humidifier with its vapor of moisture. And, it’s a small air purifier cleaning and disinfecting the air with oils that help with that.

The diffuser holds 700 mL (24 ounces) of water to run 20+ hours in the low-mist mode and about 10 hours using the high-mist mode, then shuts off automatically with no beep sound. Set the unit to run 1-, 3-, or 6-hours or set it to run continuously. Just add 5 to 10 drops of 100% pure essential oils (not included) on top of the water and turn on. It will cover about 800-square feet of space.

With its whisper-quiet fan, you or the kids will sleep all night without being disturbed. The 7 LED lights can be set to one color, cascade through all the colors, or turn them off completely.

The plastic is made of polypropylene (PP) and acrylonitrile butadiene styrene (ABS). It is BPA-free.

From my experience, city tap water is not the water to use because of minerals and lime scale that clog up diffusers and the tube inside to draw up water for the mist. I use filtered or distilled water at about 99¢ a gallon. Minerals in tap water create a white dust on furniture tops as well. It’s best to change the water each day to avoid mold and bacteria growth. The scale buildup is hard to clean and mold makes spores for more mold growth wherever it’s damp or wet.

Put one in your baby’s nursery for congestion using eucalyptus or peppermint essential oils. Citrus can be used with no problem.

The shape harmonizes well with any design scheme in your home. It is also lovely in reception or waiting areas for doctors, chiropractors, bank lobbies, spas, massage and physical therapist studios, nail, or hair salons, and anywhere you want a heavenly fragrance with therapeutic benefits from the oil you choose. Yoga and Pilates studios love these too.

TomCare Square Cool-Mist Aromatherapy Essential Oil Diffuser on table with massage equiptment in background

The dimensions are 6.5- x 6.3- x 5.7-inches.

Plug the 6-foot UL® listed cord into a USA, Mexico, or Canada 110/120-Volt, 50/60 Hz (Hertz) outlet. Those in other countries will need to buy a 220/240-Volt adapter. The diffuser does not use batteries. It cannot be used in vehicles. The adapter is packed inside the diffuser.

Gift-wrapping is available for loved ones, family, and friends. You will receive the diffuser, alternating current (A/C) power adapter inside the diffuser base, and User’s Manual. It comes with a 1-year Warranty and is made in China.

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READ MORE: Best Essential Oil Brands—Reviews and Comparisons

If you are hooked on the fragrances of the essential oils (EOs) used in the diffuser, you’re not alone! We become obsessed and passionate using the different aromas wafted into the air. Mother Nature in all her glory gave us the plants for creating the therapeutic benefits and irresistible smells. She gave us the chemicals in the plants to help heal small health problems of an annoying kind. Dispersing the vapors of the oils into the air, the essential oils are absorbed better by your body when dispensed with an ultra-fine mist for enjoying the vapor. The diffusers are inexpensive and easy to use.  We have taken the research away from you and did it for you. There are several brands of EO diffusers in the marketplace and we have analyzed the top 10 newly released essential oil diffusers to eliminate the confusion you might have.

Top 10 Newly Released Essential Oil Diffusers for 2018

Note: Click the pictures to check prices, read all customer reviews, and get more information.
WinTech-US NexGadget
WinTech-US NexGadget
InnoGear® Real Bamboo
InnoGear® Real Bamboo
 Brilliant Beauty™ SmartMist™
Brilliant Beauty™ SmartMist™
Water Capacity400 mL (13.5 oz.)160 mL (5.4 oz.)300 mL (10 oz.)400 mL (13.5 oz.) 120 mL (4 oz.) 
Run-Time Hours8-128-16868
Timer1h, 3h, 6h1h, 2h1h, 3h, 6h1h, 3h, 6h1h, 3h, 6h
Adjustable Mist (Low/High)YesYesYesYesYes
Intermittent/ Continuous MistNoYesNoYesYes





PureSpa Compact
PureSpa Compact
Pilgrim® Anton
Pilgrim® Anton
The Essential Wellness
The Essential Wellness
PureSpa® Deluxe
PureSpa® Deluxe
QUOOZ™ Rockano
QUOOZ™ Rockano
Water Capacity100 mL (3.38 oz.)140 mL (4.7 oz.)300 mL (10 oz.)120 mL (4 oz.) 200 mL (6.8 oz.) 
Run-Time Hours74-88-101010
TimerNoNo1h, 3h, 6hNoNo
Adjustable Mist (Low/High)NoYesNoNoYes
Intermittent/ Continuous MistNoYesNoNoNo





1. WinTech-US NexGadget Ultrasonic Aromatherapy Essential Oil Diffuser

Our Rating: 5 out of 5 stars

The NexGadget diffuser is BPA-free with in a tulip shape, model number DIF-1522-BRO in tan or dark brown faux wood grain. WinTech-US is the genuine NexGadget seller and any others would be fakes. Matching any home, office, spa, or medical waiting areas, the diffuser will emit the most heavenly fragrance into the space.

You can set the timer for 1-, 3-, or 6-hours to run continuously or intermittently to run 8- to 12-hours depending on the mist mode selected. It indeed uses 400 mL (13.5-ounces) of water to add essential oils. Without water, you would not get a mist and that would make this a nebulizer diffuser using no water using only pure straight oils in its bottle.

So, add your 8 to 10 drops of 100% pure essential oils (not included) on top of the water, set the functions you want, and enjoy the 7 different colors of LED lights either on or off. The colors are red, orange, yellow, green, blue, indigo, and violet—just like the rainbow colors. It is a 5-in-1 unit that is a diffuser, small humidifier with the moisture coming out, a nightlight, emits negative ions from the mist that makes you feel good, and purifies the air. It will cover about 500-square feet of space. The lid does not screw on or off or snap into place—it simply sits on top, but is not a problem.

WinTech-US NexGadget Ultrasonic Aromatherapy Essential Oil Diffuser on table with sleeping boy in background

Simply put the purified or distilled water to the Max line, add the oil, and the whisper-quiet device will sooth and make your space smell wonderful. It does beep when it shuts off. The minerals from hard water create a white dust when misting and the lime scale will clog up the inner workings and mister. Water must be changed each day as well to avoid mold growth.

The dimensions are 8.46-inches tall x 6.63-inches deep and weighs about 2-ounces empty.

Plug the UL® listed 110/120-Volt, 50/60 Hz 5.91-foot cord into a USA outlet. Outside the USA, Canada or Mexico buy a 220/240-Volt adapter. In the USA, it operates at 2.4 mHz. The diffuser does not use batteries.

Gift-wrapping is available as a present for family and friends. You will receive the diffuser, power adapter, water measuring cup, and User’s Manual. The diffuser comes with a 45-day money-back guarantee and an 18-month Warranty. It is made in China.

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2. InnoGear Real Bamboo Ultrasonic Cool-Mist Essential Oil Diffuser

Our Rating: 5 out of 5 stars

The InnoGear® new arrival for 2017, model number OD16, has real bamboo outer covering available in light or dark colors to harmonize with your décor. It is a top seller on® for all its benefits. The unit is BPA-free.

It will shut off automatically when the water is gone. Did I say water? Yes, it is not “waterless.” Amazon shows the description to be “waterless” and that is not true! It indeed uses 160 mL (5.4-ounces) of water to add essential oils into. Without water, you would not get a mist and that would make this a nebulizer diffuser consuming no water using only pure straight essential oils in its own supplied bottle.

The 7 intriguing LED light colors will entrance your kids and you too. It is mesmerizing and there are no beep sounds with this unit ever.

Select from 4 modes of continually misting, interval mist, 2-hours, or 1-hour mist time.

Remove stale cooking odors, smoke, pet odors and enjoy allergy relief, relief for colds and congestion for a good night’s sleep.

The dimensions are 6-1/2-inches tall x 3-1/2-inches across weighing about 18-ounces.

Plug the UL® listed 6-foot cord into a 110/120-Volt, 50/60 Hz USA outlet using 10-Watts of power, less than a 40-Watt light bulb. Outside the USA, Canada, or Mexico you will need to buy a 220/240-Volt adapter. It does not run on batteries or in the car.

Gift-wrapping is available for your loved ones and friends. You will receive the User’s Manual, water measuring cup, A/C adapter, and a 12-month Warranty. It is made in China.

InnoGear Real Bamboo Ultrasonic Cool-Mist Essential Oil Diffuser on table with bamboo in background

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3. Anjou Cool-Mist Ultrasonic Aromatherapy Essential Oil Diffuser

Our Rating: 5 out of 5 stars

The Anjou, model number AJ-AD001, is stunning, is not “waterless” using 300 mL (10.14 ounces) of water to cover about 450-square feet. For a heavenly fragrance and therapeutic benefits, add 2-8 drops of 100% pure essential oils (not included). It does produce negative ions with the water the same as rain does. Negative ions lift your mood and so do some essential oil essences.

Stale food odors will disappear along with pet and smoke odors. The whisper-quiet unit shuts off automatically when the water is gone. You can run it 24/7 if you want to. It will mist your area for 8 hours with you selecting the hours you want on the front buttons.

Enjoy the mood lifting 7 assorted colors of lights. You can have the lights be dim, bright, or no light. These are wonderful in doctor’s offices, massage studios, Yoga and Pilates studios, and the office. Wherever you want scent, use this diffuser.

Plug the UL® listed cord into a 110/120-Volt, 50/60 Hz outlet; power 14-Watts. Outside the USA, Canada, or Mexico you will need to buy a 220/240-Volt adapter. It does not use batteries and cannot be used in the car.

The dimensions are 7-inches tall x 5.5-inches at the base and 21-inches at the widest area. and weighs about 18-ounces.

Gift-wrapping is available for your loved ones and friends. You will receive the User’s Manual, A/C adapter found inside the bottom base, water measuring cup, and a 1-year warranty. It is made in China.

Anjou Cool-Mist Ultrasonic Aromatherapy Essential Oil Diffuser infographic showing timer settings and led light options

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4. Tenswall Ultrasonic Cool-Mist Essential Oil Aromatherapy Diffuser

Our Rating: 5 out of 5 stars

The faux wood grain Tenswall Ultrasonic Essential Oil Aromatherapy Diffuser is a lovely soft ebony black plastic. The plastic is made of polypropylene (PP) and acrylonitrile butadiene styrene (ABS). It is not BPA-free however.

The color harmonizes well with any design scheme in your home. It is also lovely in reception or waiting areas for doctors, chiropractors, bank lobbies, spas, massage and physical therapist studios, nail, or hair salons, and anywhere you want a heavenly fragrance with therapeutic from the oil you choose. Yoga and Pilates studios love these too.

Some think it looks like a tulip or flower vase, but in person, it looks like a fancy gourd and I love the shape. It is quite large and holds 400 mL (13.5-ounces) of water for adding your 100% pure essential oils (not included). About 8 drops is nice, but if you want a more intense fragrance, add more. The oil floats on the water, since oil and water do not mix, so the intensity is at the beginning and you will probably want to add more drops after a few hours of running.

From my experience, city tap water is not the water to use because of minerals and lime scale that clog up diffusers and the tube inside to draw up water for the mist. I use filtered or distilled water at about 99¢ a gallon. Minerals in tap water create a white dust on furniture tops as well. It’s best to change the water each day to avoid mold and bacteria growth. That’s scale buildup is hard to clean and mold makes spores for more mold growth wherever it’s damp or wet.

Put one in your baby’s nursery for congestion using eucalyptus or peppermint essential oils. Citrus can be used with no problem.

The diffuser is a 5-in-1 unit in that it not only emits a fragrant mist, but the water produces negative ions that boosts moods and is calming. It’s like the feeling you get when it’s raining—you feel soothed and want to take a nap. Plus, it’s a nightlight that delights the kids, and a small humidifier with its vapor of moisture. And, it’s a small air purifier cleaning and disinfecting the air with oils that help with that.

It is an ultrasonic diffuser so it naturally holds water. A “waterless” diffuser is a nebulizer and this is not that type. Therefore, do not be confused by the title description on Amazon.

The LED (light emitting diodes) cascade through the 7 colors of the rainbow: red, orange, yellow, green, blue, indigo, and violet. Let it cycle through all colors, set it to one favorite color, or turn the lights off completely. The lights can be set to dim or bright for whatever you like best.

Tenswall Ultrasonic Cool-Mist Essential Oil Aromatherapy Diffuser infographic showing led lighting options and timer settings

The timer can be set for 1-, 3-, or 6-hours to run 60-, 120-, 180-minutes or continually on up to 10 hours. It will turn off automatically when it’s low on water. The fan is very quiet at about 35 dB (decibels), the sound of a whisper. A decibel is a logarithmic unit that is used to describe levels of sound.

You should get about 500-square feet of coverage space. The lid does not screw on or off or snap into place—it simply sits on top and is not a problem. The 3 rubberized feet will hold it steady to not slide off furniture.

Plug the 6-foot UL® listed cord into a USA, Mexico, or Canada 110/120-Volt, 50/60 Hz (Hertz) outlet. The output power is 650 mA (milliamps). Those in other countries will need to buy a 220/240-Volt adapter. The diffuser does not use batteries. It cannot be used in vehicles. The adapter is packed inside the diffuser.

Around the circle ring where the base meets the top is where the LED 7 assorted color lights will illuminate. You could put fake flowers such as silk or plastic in the top little holes; however, do not put real flowers in because the stems would produce chemicals you don’t want in the unit, your lungs, or the air. You wouldn’t want real flowers in the unit when its running anyway.

Clean the diffuser following the manufacturer’s instructions. If the instructions are not understood, use about 2 tablespoons of clear distilled vinegar with a half-tank of water and let it run 15 minutes. Pour that off and add plain water to the Max line to rinse letting it run another 15 minutes. Use cotton swabs and let it air dry.

The dimensions are 6-1/5 inches wide x 9-1/2-inches tall and weighs about 1-pound empty.

Gift-wrapping is available for loved ones, family, and friends. You will receive the diffuser, alternating current (A/C) power adapter, water measuring cup inside the diffuser base, and User’s Manual. The diffuser comes with a 45-day money-back guarantee and an 18-month Warranty. It is made in China.

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5. Brilliant Beauty SmartMist Ultrasonic Cool-Mist Essential Oil Diffuser

Our Rating: 5 out of 5 stars

The Brilliant Beauty SmartMist UPC 615867833854 diffuser has an elegant shape in either or both golden oak or espresso faux wood grain finish. The silver chrome accent for the top is a lovely attribute. The cool-mist diffuser uses 120 mL (4-ounces) of purified or distilled water. City tap water will put mineral and lime scale deposits in the unit and tube, so invest in a gallon of water for about $1.

Covering up to 500-square feet of space, the misting should last up to 8 hours in duration. It is BPA-free, has an automatic shut off and can be set to run at low, high, and medium misting. The top lifts off for easy cleaning and adding water.

The LED light is one color, light blue, and is relaxing; kids love it. There are 4 settings for the light as well of low, medium, high, or off. It is quiet when running so that everyone can sleep through the night.

Just add 4 to 8 drops of 100% pure essential oil (not included) for aromatherapy and therapeutic benefits with your choice of oils. The unit does not beep and has no timer.

Brilliant Beauty SmartMist Ultrasonic Cool-Mist Essential Oil Diffuser infographic showing theraputic benefits and uses

The dimensions are 3.75-inches wide x 4.5-inches deep x 8-inches tall weighing about 1-pound.

Plug the UL® listed 6-foot cord into a 110/120-Volt, 50/60 Hz USA outlet. Outside the USA, Canada, or Mexico you will need to buy a 220/240-Volt adapter. It does not run on batteries or in the car.

Gift-wrapping is available for your loved ones and friends. You will receive a User’s Manual and a 100% Brilliant Beauty Satisfaction Guarantee. It is made in China.

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6. PureSpa Compact Ultrasonic Aromatherapy Essential Oil Diffuser

Our Rating: 5 out of 5 stars

The PureSpa Diffuser made by Pure Enrichment is a quality diffuser that will disperse 100% all natural essential oils (not included) that lasts 7 hours filling the water tank with 100 mL (3.38 ounces) of cold tap water. It will moisturize and refresh air up to 250-square feet in your living room, bedroom, bathroom, office, spa, or salon. It is wonderful for relieving colds, nasal congestion, allergies, dry skin, and asthma, making it much easier to breathe. It removes stale tobacco smells, pet odors, and last night’s fish dinner. The gentle whisper quiet units are ideal for a quiet office, baby nursery, yoga studio, spa, massage therapist studio, and any other place you want the fragrance. The LED light changes color (blue, green, red, yellow, purple) for creating a soft glow and relaxing ambiance. The negative ion feature helps to lift your mood and ease stress.

PureSpa Compact Ultrasonic Aromatherapy Essential Oil Diffuser infographic showing air freshening benefits

To use fill the reservoir using the measuring cup included adding 3 to 5 drops of 100% natural essential oils, not included. Connect your PureSpa to a 120-Volt outlet and turn on. It also comes with an A/C adapter and instruction manual. You are now about to receive the fragrance and therapeutic benefits of the diffuser. With its stylish design, the non-heating diffuser will dispense its healing power of aromatherapy to your room.The unit can be used with or without the oil to moisturize the dry air acting as a humidifier. The cool mist is refreshing and calming. You have the option to use the 3-touch power button to turn on the diffuser by itself, turn it on with color-changing light, or turn both off. A 2-year warranty is included and your satisfaction is guaranteed.

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7. Pilgrim Collection Anton Ultrasonic Diffuser Humidifier

Our Rating: 5 out of 5 stars

The Pilgrim® Anton essential oil aromatherapy cool-mist humidifier diffuser is an Italian design from Milan, Italy, with a soft rubber finish (not paint) on the outside in ocean blue. The tank holds 140 mL (4.7 ounces) of ordinary tap water to cover 250-square feet.

The changing RGB (red, green, blue) low-energy LED lights with a long life span can be set to change colors or fixed at one color to peacefully sooth you with color therapy. The very quiet unit automatically shuts off when the water is gone. The Anton diffuser has 2 modes for misting—intermittent and continuous. It will run up to 4 hours continuously and 8 hours intermittently. Press the ‘on’ button for 3-seconds to change the mist mode, then ‘on’ another 30-seconds for intermittent and 30 seconds again to turn it off.

Pilgrim Collection Anton Ultrasonic Diffuser Humidifier infographic showing 2 mist modes

The unit uses citrus and almost all of the powerful essential oils with no problem with the PC (polycarbonates) plastic water reservoir that does not crack. Use your favorite aromatherapy oils (not included) for fragrance and therapeutic benefits for dry sinuses, dry nose, dry lips, dry skin, cough and cold and flu symptoms. The striking design and changing colors will look warm and inviting in your boutique, office, home, or anywhere you want a visual and fragrant boost. Add 5-10 drops of pure essential oils to the water at the water level and press the power button for your heady delights.

Plug the UL listed 72-inch (6-foot) cord into a USA 110/120-Volt outlet. This cord is longer than most diffuser cords. The power is 12-Watts, and 0.5 Amps and 24-Volts.

The dimensions are 8.5-inches tall x 7-inches wide and weighs about 1.5 pounds.

Gift-wrapping is available for you and a loved one. The diffuser comes with detailed instructions and a 1-year Warranty made in China.

Other Top Diffusers by The Pilgrim Collection

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8. The Essential Wellness Oil Diffuser 300mL

Our Rating: 4.5 out of 5 stars

The Essential Wellness Diffuser has 4 timer settings and 7 LED light changing settings. It is a 5-in-1 unit as an aromatherapy diffuser, humidifier, night light, air purifier, and ionizer. That is neat! It is 100% BPA-free (no toxins) and vibrates at 2.4 million times per second. With this high-end technology, it merges the water and essential oils into very fine micro-particles without using heat. As you know, heat destroys the components of essential oils. Its great Ultrasonic diffusing attributes keep the oils beneficial and true to character allowing the mixture to release into a fine mist to be absorbed by the body providing health benefits. It is wonderful in living rooms, bathrooms, kitchens, bedrooms, offices and anywhere you want its therapeutic benefits.

Tiny drops of water vapor (condensation) are beneficial for our skin and well-being. The essential oil vapors lubricate the sinus cavities, provide relief for respiratory symptoms, and moisturize dry flaky skin. Air quality is improved and the mist prevents damage from second-hand smoke, refreshes odors in the air, and helps allergy sufferers.

It puts negative ions in the air and they are associated to uplifting your mood and relieve stress. This also improves breathing, and helps to improve the immune system. This unit purifies and humidifies the air quality. The diffuser can also be used without oils and only as a humidifier. The humidity provides much needed moisture for dry coughs, irritated sinuses, and dry skin. It’s also healthy for hair.

This unit’s reservoir holds 300 mL (10 ounces) of water to mix with the essential oils, not included, and runs for 8-10 hours safely with an automatic shut off. The design is ultra quiet and the oils are dispersed into the air remaining suspended for an extended period. It can be used with tap water and comes with a 1-year warranty. It will run on the timer 60-, 180-, and 360 minutes then off. The unit will provide aromatherapy for 135- to 215-square feet and the humidifier will cover 108-square feet. The LED light provides multiple colors, gradually changing, or a fixed mode or off. The illumination is soft and comforting.

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9. PureSpa® Deluxe Ultrasonic Aromatherapy Oil Diffuser

Our Rating: 4.5 out of 5 stars

The PureSpa® Deluxe with its high capacity lasts for up to 10 hours with automatic shut-off for home, office, and anywhere safely. Put your favorite essential oils into the Ultrasonic diffuser to give your oils a fragrant cool mist. This is superb to the inferior chemical air fresheners plugged into the wall outlet or sprayed from a can. These oils are made from nature’s plants! The large 120 mL (4 ounces) water reservoir does not need to be refilled and you can spend more time relaxing enjoying its aromatherapy calming benefits. Just add 3-5 drops of your favorite essential oils and enjoy the ambience it provides for hours. The Aroma Diffuser covers up to 250-square feet creating a calming and relaxing environment in your living room, bedroom, bathroom, small office, and any other place it would be useful. The ionizer produces negative irons that make people feel happy and lift moods, relieve stress and support immune system functioning. The color-changing LED light (optional) provides a soft glowing light that softens your mood and the light is perfect for a bedroom as a night light to lull you to sleep.

This sleek diffuser creates an ultrafine cool mist using your favorite oils at home or anywhere it would be a benefit. You can operate the diffuser with or without the light on. It automatically shuts off when it is out of water. There are no timer settings. A button allows you to start the unit with one press and another pressing of the button turns the LED lights off. The third press of the button will turn the unit off. There are no parts to think about such as lids or caps. To clean, use a little dish detergent with water and a cotton swab. Children like this in their rooms for the light color and fragrance. The diffuser makes no noise, so the kids will not be kept awake all night. It is made from BPA-free plastic (no toxins). The design prevents it from tipping over. The unit does not get hot. Having the ability to create a cool mist very fast, it provides benefits from the essential oils for uplifting your mood, provides allergy relief, soothes a nose from a cold or hay fever, and helps irritated sinuses. When you need a quick fix, the PureSpa® Deluxe will be there to help you calm down and relax. Gift-wrap is available for your best friend or family member.

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10. QUOOZ Rockano Ultrasonic Diffuser Humidifier

Our Rating: 5 out of 5 stars

The QUOOZ aromatherapy essential oil diffuser, “Rockano,” is a new 2016 model and gorgeous to look at in toffee, cobalt blue, and peach colors for the perfect coordination for your room décor. It is made of durable plastic and is BPA–free (bisphenol A) so you will have no toxins. The trendy modern design is simply elegant.

Using no heat, your oils will keep their holistic components that nature made with a cool mist. Yes, we want all of the benefits of the essential oils. Why use synthetic aromas made from chemicals in candles and aerosol sprays when you can have what they imitate—the real thing! This unit uses citrus oils without gumming up the works.

Simply fill with tap water to the reservoir line, add a few drops of your much-loved essential oils (not included), and turn on. The unit will automatically shut off with no beep or noise when it is out of water, a great safety feature when using all night. Your room, office, spa, Yoga studio, child’s room, and any room will be richly rewarded with this rock-looking diffuser with the mist coming out of its top.

The cool mist provides relaxation, encourages mood and spirit improvement and the benefits of the oils will heal dry stuffy noses, dry lips and skin, irritated sinuses, and dry hair. Use for your baby or child’s room when they are miserable being stuffed up from a cold.

The long-life low-energy LED lights, two mist modes of ‘regular’ that puts out 10-hours of mist or the higher powered mist that lasts 5-hours for your choosing and is whisper-quiet. Adjust the LED lights for the brightness you like or shut them off for no light. This can be used as a nightlight for creating a lovely mood. The light can be set to fade progressively using the two buttons for the way you like it to operate just for you.

The creative “diamond cut rock” holds 200 mL (6.8 ounces) of water in its easy to fill tank. Negative ions are created with the water mist that is good for you naturally. You receive the same ions when it’s raining. The mist should cover up to 300-square feet of space.

Plug into a USA 110/120-Volt outlet with the UL listed cord. It is 24-Volt D/C, 12-Watts power, and the adapter is included. The unit is 8.9-inches tall and 5.98-inches wide and weighs about 1 pound.

Gift-wrapping is available for you and a loved one. The diffuser comes with detailed instructions and guarantee. Where made is unknown.

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How to choose the best essential oil diffuser infographic

Do You Wonder if You are Buying Fake Essential Oils?

Mother nature has provided us with many amazing healing plants. The oils from these plants can work wonders for you if used properly. As with any other type of product, there is some pretty low quality and fake essential oils in the marketplace. Many are packaged very nicely and can fool you, unless you know what to look for. We hope you get a bottle of liquid in an amber bottle that has been distilled from the flowers, leaves, and roots of an aromatic plant. Some websites offer “extended” essential oils having mixed them with fillers such as seed and nut oils that are cheap. Some use fake synthetic chemical fragrances such as those spray cans for room fragrance and candles all made with chemicals that mimic the scent of the plant. Even aroma therapists can be fooled. If the price is too good to be true, it probably is fake. Good essential oils are expensive, but well worth it.

Final Thoughts

We have evaluated the top 10 rated aromatherapy essential oil diffusers and features to help you with your buying decision. The many therapeutic benefits and pleasant aromas are presented for you to evaluate for your personal needs and enjoyment. With the mystery removed, you will feel confident shopping for an essential oil diffuser. Happy shopping!

Advantages of Using Essential Oil Diffusers

If you are wondering, What are the benefits to me when using diffusers? You will first need to know about the oils that will help you. Do you want to simply relax and feel more serene? Do you want moisturizing benefits for dry skin? Essential oils can be used in many ways. You can pour a few drops into your tub for a soothing and great smelling bath.

On the other hand, use diffusers to fan out the vapors with a cooling mist, permitting the extraction of the plant’s chemical properties that have been used for thousands of years by our distant ancestors. The oils will elevate your mood, help you to relax, heal dry skin, and is spiritually uplifting. Below are the many benefits from using a moisturizing diffuser.

1. Air Purification—The diffusing units are not “machines.” A lawnmower is a machine. Therefore, when you read “machine” at other websites, you might get a visual impression of something large. These units are small, portable, and marvelous for breathing clean, purified air, for removing tobacco smoke and other disagreeable odors. The essential oils have anti-microbial and anti-bacterial components derived from Mother Nature’s wonderful plant kingdom to benefit health happy people.

2. Dust Removal—Diffusers are ionizers. Negative ions attract dust particles, allergens, and other substances. With a diffuser, you will have cleaner air. Diffusers can help those people who suffer from dust allergies, dust mites, asthma, and other allergic ailments. Negative ions are another of nature’s laboratory of wonderful things!

A Side Trip About Negative Ions. Negative ions are in the air and might not be love, but are close to it. Colorless, odorless, and tasteless, they are invisible molecules we inhale abundantly. Think about the outdoors—beaches, waterfalls, mountains, the woods, the forests—these are rich negative ion areas and they are around us when it is raining. In the bloodstream, negative ions produce biochemical happenings that increase our levels of the mood enhancing brain chemical, serotonin that helps to remove stress, depression, and increase energy.

3. Help Uplift Mood and Eliminate Stress—Specific essential oils are known to lift a down mood up. These oils also relieve stress and mild depression. You will feel calmer and relaxed using essential oils with a lovely diffuser. Enjoy and feel secure knowing that the fragrant and purified air has been improved using oils.

4. Improve Immunity—When you purchase an oil diffuser, it means that you will be boosting your immune system by breathing in the plant’s natural and pure beneficial oils.

5. Whole Room Fragrance—Nothing is more appealing then when you laze around feeling enveloped by sweetly scented smells. An ultrasonic diffuser will do this for you, since the unit uses infinitesimal elements from the plant’s properties that wonderfully and elegantly distribute throughout the room. Within a few minutes, you will be experiencing your experience.

6. Humidifier—People exposed to pollen in the air are sometimes sensitive or allergic to their influences. Nasal allergies are miserable. The mucosa in the nose becomes inflamed and mucous is secreted. Humidification can help with that. The diffuser puts out moist air to alleviate the symptoms with its fine spray mist. It can raise the humidity up to 40% more than the current ambient level. You can use the diffuser with water alone to have more humidifying moist air effects.

7. Removes Foul Odors—The diffuser used with your favorite essential oil will remove last night’s fishy odor, smoky smells from tobacco products, and any other offensive or stale smells. Your area will smell fresh in no time.

8. Purity of Essential Oils—Because the essential oils are not heated, they maintain their chemical properties from the source from which they were created—nature’s finest plants. You receive the benefits of this from the ultra-fine mist that permeates your space.

9. No Waste—Most oil diffusers have an automatic shut off feature. This permits no waste of your essential oils in that you used them for their purpose and the unit has now shut down. If you do not want to use the full reservoir, shut the unit off and the oils will be there for the next time you turn it on. The oils do not just evaporate into thin air. They are either consumed or waiting to be consumed.

10. LED Lights—Most all diffusers today have light emitting diodes (LED) that have usually 7 colors of the rainbow.  I like to remember them this way:  Roy G Biv—red, orange, yellow, green, blue, indigo, violet and sometimes white.  They can typically run on one color, cascade through all colors, and be turned off completely.  Checkout nature’s rainbow—the colors are in this order!

Types of Essential Oil Diffusers

There are several types of diffusers available in the marketplace. Here, we have tried to categorize them to their specific functions. The commonly available types of aromatherapy diffusers are: Nebulizer, Ultrasonic, Evaporative, and Heat.

1. Nebulizer Diffusers

Three Nebulizer Essential Oil Diffusers

These diffusers are considered the most powerful. They are cold-oil diffusers that disperse pure essential oils by breaking them into tiny molecules. Later these airborne molecules are misted out to create a fragrant atmosphere. The Nebulizer aroma diffusers are ranked higher due to their therapeutic qualities. Since this type of unit does not require adding water, a heavy concentration of aromatic oil is diffused into the atmosphere.


These diffusers use 100% pure essential oils making them more health-friendly. They also have a built-in timer that keeps you informed. No light system is provided with the Nebulizer diffusers.


Nebulizer aroma diffusers are considerably noisy and that can be a turn off for many. It is more expensive and that can be considered a negative to some users. These diffusers scatter larger quantities of oil at one time, consequently they need refills more often, and that can prove costly for many buyers. To control the extra emittance of oil, Nebulizers are now provided with a built-in timer with settings.

2. Ultrasonic Diffusers

Naska essential oil diffuser with happy baby in background

Similar to nebulizing diffusers, Ultrasonic diffusers also disperse oils by breaking them into smaller particles. The only difference is the addition of water. These diffusers use a mix of water and essential oils to create a cool mist. They are, however, not as powerful as the Ultrasonic diffusers due to the mild concentration of oil.


Ultrasonic diffusers double up as humidifiers in wintertime. This is a great advantage for this type of diffuser. They come with a music setting that cuts down on the noise they make. These aromatherapy diffusers are less expensive than Nebulizers are.


Since water is added with essential oils in the Ultrasonic diffusers, these are not as efficient in their healing power as Nebulizers. Sometimes, these wellness devices come with a light setting that cannot be turned off. You need to keep it clean and avoid using citrus essential oils in these diffusers.

3. Evaporative Diffusers

FanFuser Evaporative Essential Oil Diffuser on table

These basic aromatherapy diffusers scatter essential oils with a fan blowing method with an attached filter. Its evaporating functioning style has given it the name Evaporative Diffusers.


This type of aromatherapy diffuser works perfectly in diffusing fragrance in a smaller area. Another benefit of buying evaporative aromatherapy diffusers is their relatively low cost. These diffusers are easy to carry and come in pleasing designs.


Evaporative diffusers do not disperse the complete blend of essential oils at one time. They tend to portion out the oils. Lighter components are evaporated quicker than heavier components. This apportioning of the components (oils/water) cuts down on the overall therapeutic value of the essential oils. Another drawback of these diffusers is that they have shorter running times.

4. Heat Diffusers

Heat Essential Oil Diffuser on white background

This is also a basic oil diffuser, but instead of evaporating essential oils with the help of an air fan, it uses heat for diffusion. Heat diffusers also create a lovely fragrance inside a closed area.


These are considerably the least expensive of all the aroma oil diffusers readily available to purchase. Most heat diffusers are so small that you can keep them in your vanity kit or purse. They indeed effectively aromatize a specified area.


Since heated oil diffusers also function by evaporating essential oils, they also portion out the components of essential oils. It affects both the healing benefits for oil and the intensity of the fragrance. Some of these diffusers use high levels of heat to produce an extra strong aroma that can change the chemical bonding of the essential oils. Therefore, a diffuser that uses very low levels of heat is considered better.

All 4 Diffuser Types Reviewed and Compared

To know the most efficient category of aromatherapy diffusers, we compared all of the differences regarding the aspects of aroma diffusion, therapeutic value, longevity, and price.

Dispersal of Aroma

Nebulizing diffusers distribute the essential oil by breaking them into smaller molecules allowing it to diffuse fragrance in a shorter time in a larger area. Ultrasonic diffusers also diffuse oil similarly and they equally aromatize an area effectively while evaporative and heat diffusers work well in scattering the fragrance in a smaller area.

Therapeutic Value

Since the Nebulizing diffuser is a cold aroma-dispersing device, it uses the purest form of essential oils. It ranks higher than all other aromatherapy diffusers with heating. The Ultrasonic diffuser is second best while heat and evaporative diffusers are not considered the best for aroma healing because essential oils work best when used cold.


Ultrasonic diffusers are the winner when it comes to running time. These diffusers use a blend of water and a few drops of essential oil. Their higher capacity helps them in diffusing aroma for hours without any breaks in time. Nebulizing diffusers disperse a greater amount of essential oil at one time and might need to be refilled more often. Similarly, evaporative and heat diffusers need to be refilled more quickly.


When it comes to price, heat diffusers are the clear winner, followed respectively by evaporative and ultrasonic diffusers. Nebulizing diffusers are the costliest of all.

So, Which One is Best?

After weighing all criteria of aromatherapy diffusers, ultrasonic diffusers are the best. Nebulizing diffusers are second to the Ultrasonic one but the biggest drawback is the cost. Low longevity, greater energy consumption, and the irritating sound made it a disadvantage.

Things to Keep in Mind when Choosing the Right Diffuser

You now have the information for purchasing a diffuser for getting the most from the therapeutic benefits from the essential oils in many fragrances. When you feel perplexed by the many options, do not buy just anything that will not be the best one for your needs. Delightful diffusers of greatest quality and features will last years and are easy to get for less than $100.

The following tips will capture your attention for the best features for a hassle-free shopping experience when you are carefully checking out oil diffusers.

1. Water Capacity—Water determines how long a diffuser will keep operating. When you want your diffuser to run for many hours at a time, you will need one that holds more water in its reservoir. The choice ultrasonic diffusers can hold 80 to 100 mL (2.7-3.38 ounces) of water.

2. Operating Time—Consider this feature for the length of time you want to run your diffuser. Some units operate for 3-4 hours and others run 6-10 hours. If you want to have your diffuser run all night when sleeping for its therapeutic benefits, you will want to select a diffuser that runs nonstop for longer hours.

3. Program and Timer Options—Practiced diffuser users can tell you the importance of these two functions. For best results with the essential oils, diffusers are super effective producing your desired results in small amounts. A micro-fine mist can be dispersed with a superior dispenser. It is not always necessary to have your diffuser run constantly, unless that is what you want. Maybe you want your diffuser to run for a certain length of time and then restart. If you want that, shop for a programmable diffuser with time cycle selections. This will control the amount of your treasured essential oils accomplishing the best possible benefits.

4. Variable Airflow Output—Controlling the air pressure allows the scattering of the essential oils where you can check the fragrance intensity. It is similar to how fast you want a fan to run.

5. Room Coverage—Read the specifications before buying a diffuser. This will tell you the area it will cover. Trendy diffusers cover 200-300-square feet and some cover up to 500-square feet. You might be disappointed if you purchase a diffuser not able to cover the area you want. Reading customer reviews will help you when they discuss their experiences.

6. Automatic Shutoff—Users prefer this option because it safeguards against the unit burning out. When you are preoccupied, you will have no worries. When the diffuser runs out of water, it will automatically shut off. This is a wonderful feature for when you are sleeping; the unit will shut off and be safe and sound in the morning.

7. LED Light Effects—Almost all quality diffusers have a built-in light. They are used as night-lights as well as for daytime enjoyment. You can choose the changing colors you like and the light can be turned off in most units. You might want to check out which diffusers have light dimming and brightening capabilities.

8. Noise Level—Some people do not mind the slight noise and others do. If you are one of those people who like quiet in your space, check the suppliers who carry Whisper Quiet Technology. With the whisper quiet diffusers, you will not hear the slight buzzing or water trickling sounds.

9. Warranty and Guarantees—Most manufacturers provide a 1-year warranty for their products. Some warranties can be for longer periods and most offer money back guarantees for up to 6 months if you are dissatisfied with their product.

10. Size and Shape—Today’s aromatherapy oil diffusers are gorgeous to look at and add a touch of flair to your home, office, spa, or salon décor. The designs, colors, and shapes are stylish and trendy for the discerning and sophisticated buyer. Some shapes are contemporary in design such as a candle shape, pyramidal shape, disc, and freeform in shape. Shop for just the right one for your special place, never being disappointed.

Size does matter and is dependent on portability if that is an important highlight for your lifestyle. If you want to carry the diffuser in your purse or satchel, a more compact style will work best for you.

Step-by-Step Guide for Choosing the Perfect Oil Diffuser

Answer the questions below to help you make a decision for purchasing a diffuser:

1. Where do You Want to Use Your Diffuser?

Where you plan to use your oil diffuser will help in your selection process. If you plan to use it in the bedroom for its LED light effect, consider a diffuser with a turn-off switch. Some people do not sleep well with a light on and some do not care for lights when relaxing or napping.

2. What is the Purpose for Using the Diffuser?

If you plan to use the diffuser for sleep or relaxing, it should have no noise effect and the LED light. To realize the therapeutic advantages the diffuser needs to be able to maintain the efficacy of the essential oils.

For a child’s room, the diffuser needs to have an automatic shutoff feature. If you or someone suffers from allergies, has irritated, or rough, flaky, dry skin, the diffuser will perform as a misting humidifier and air purifier.

Ask yourself why you desire to have an aromatherapy oil diffuser. Depending on your needs, the best selections are the Ultrasonic, a Nebulizer, or an Evaporative or Heat Diffuser. These diffusers function differently; therefore, it will be important for you to consider the way each one operates. If you want intense healing without the price being a concern, then the Nebulizer will be your best choice. The Ultrasonic diffuser is great for simply relaxing, air purification, and humidification, and are cost-effective.

3. Get Help from Reviews

When you take time to read reviews from other diffuser users, you will no doubt have many of your questions and concerns answered for you. You will find on the Internet the manufacturer’s claims, people’s experiences using diffusers, and find advice about the coverage area, ease of use, operation times, the LED light pros and cons, and how to clean the unit. You can also ask questions to the reviewers and they will come back with an answer.

4. Compare Prices Within Your Budget

After deciding on the oil diffuser you want to purchase, check to see if it aligns with your budget. Check to see which seller offers the best price, discounts, deals, and bonuses. With a little time invested in searching, you will find the best value for your money. Good luck and happy shopping!

Final Thoughts

In today’s marketplace there are thousands of oil diffusers from which to choose. We do not want you to feel confused and overwhelmed trying to decide what diffuser is the best for your needs. We have explained the best hassle-free diffusers available and what they will quickly accomplish for you. The plant’s chemistry must be maintained and this can be done with essential oils used in a quality diffuser.

Essential oils have been defined in our enlightening clarifications so that you will know what oil to use for your health concerns and for those smelly-good fragrances for your home or other places. We have taken the research out of researching by doing it for you! We let you know that Nebulizer or Ultrasonic diffusers are the best of the best because they do not destroy the therapeutic advantages of inferior diffusers out there that others want to sell to you.

You want to maintain the therapeutic level of fragrance healing and we know that. In essence, our nose is the highway to our feelings! It is not surprising that we feel heady and happy when the perfect scent can make us feel at home feeling secure, warm, and cozy. When you smell cookies baking, that spicy sugary smell brings back fond memories of another time that made you so happy. Aromatic fragrances capture other over the moon experiences that linger in your memory but come back once again when that remembrance and wonderful heady scent is triggered.

We hope we have inspired you with ideas for feeling secure about purchasing diffusers and the essential oils for the diffusers. We know you will be thrilled with the trendy styles, LED light, and the automatic shut off. Selecting the top rated oil diffuser may vary with your needs. For instance, going for a smaller essential oil diffuser to aromatize a larger area would not be favorable when you need a larger one for your purposes.

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This Post Has 114 Comments

  1. I got this web site from my friend who informed me about this web page and now this time I am browsing this web site and reading very informative articles here.

  2. Hi Brain Peak Pills,

    We hope you find valuable information here and find what you want for your needs.

  3. Do all diffusers use water it only the ones that are humidifiers as well?

    1. RE: Jay’s message on November 3, 2015
      Hi Jay,
      If I understand your question correctly, you are asking, “Do all diffusers use water or can they be used as humidifiers as well?”
      Diffusers take water and can be operated with or without the oils. Even with oils, they have a mist that is full of moisture, so that is humidification. You might not want any oils, so run it with only water for a moist mist with no fragrance. A few diffusers use only oils without water.

    2. A website full of interested data.
      Would like your opinion on the NOW Solution diffuser. I got the bamboo casing.

      1. Hi Wilma,
        I am not familiar with “NOW Solution diffuser where you got the bamboo casing.” I’m sorry. Try entering the name in your Internet browser and check it out. Maybe others know it and can respond to you here.
        Best regards,

  4. Melissa, your page was full of wonderful information. I get a bit overwhelmed with things so I am hoping you can guide me a bit. I want an essential oil diffuser that is easy to use and clean. Not noisy. I want to be able to really smell the oils and get benefit from it but I don’t need it to be overpowering either as I may not use it then. I get migraines so sometimes smells are hard to take. I don’t want to spend a lot of money either. I’m thrifty. Could you suggest the top choice matching what I’m looking for? Thank you so much

  5. Hi Jenn,
    Thanks for your note of November 4, and letting us know you liked the information. Diffusers are easy to clean–all of them–most are whisper-quiet at this page or this page. Most are affordable. If you have migraines, be sure to look at this link for beneficial oils for those nasty headaches.

    Best to you,

  6. Essentials oils can disintegrate some materials such as plastics. What materials should one look for in choosing the proper diffuser

    1. Unfortunately both of these diffusers are made of plastic inside.

  7. I want to buy an aromatherapy diffuser and don’t have time for it to be shipped. NOBODY carries them in stores locally or even within 50 miles of me. Why are they only online?

    1. Hello Chris,

      Thanks for your note of December 6. I do not know where you live, so cannot speak for your area. Diffusers are available in larger box stores and high-end department stores. Why not buy online? It’s cheaper that way. Some diffusers on Amazon ship out within two days—maybe you have that much time? You can call around rather than driving. Check in the beauty and body departments of larger shops.


  8. Consequently, after spending several hours on the internet at past
    We’ve uncovered anyone that definitely does know very well what they are speaking about thank you a lot fantastic article.

    1. Hi Leona, and thanks for your note on December 15. We appreciate your positive comment about our articles.


  9. I would like to thank you for the efforts you have put in writing this blog.
    I’m hoping to view the same high-grade blog posts by you in the future as well.
    In truth, your creative writing abilities has encouraged me to get my own site now 😉

    1. Hi Bennett,

      We appreciate your encouraging comments on December 16. We intend to continue write quality information. I’m pleased that the site has inspired you to do your own.

      Best wishes,

  10. I bought a set of oils and a diffuser. But the only oil I see for sleep is lavender. Can you recommend another scent as well? Thank you for this blog. It helped me enormously.

  11. Hi Melissa…you are very informative…thank you for that. I was looking at diffusers, but also look at essential…where they have a diffuser with no water…just a tray you drop the oil in. Do you have any info on that type of diffuser?


    1. Hi Susan,

      There are waterless diffusers available. Look at this Living BeAtitudes Aromatherapy Nebulizer Diffuser, the Organic Aromas Raindrop Nebulizing Essential Oil Diffuser, and the Professional Grade (Orbis Nox Merus) from Aromis here.

      I hope this will be helpful and that you come back here to visit often.

      Best Regards,

  12. Thanks! Nice article. What kind of oils are best for aromatherapy diffusers? There seem to be a lot of types, and variety of prices.

    1. Hi George,

      There are a plethora of 100% essential oils that are used in aromatherapy diffusers. The prices do vary and there are many fragrances and oils used for therapeutic benefits. This link for 15 best and most used oils. Click on other tabs to read more about oils.

      Best regards,

  13. Have you come across any cordless diffusers that are not mini?

    1. There are new compact waterless cordless diffusers will be available soon. NOSO Smart diffuser for example.

      1. Hi Vlad,

        Thanks for your information on 14 January.


  14. Holy moly! This is one of the most informative sites I’ve come across in a long time! I have some ultrasonic diffusers, but am thinking of adding a nebulizing diffuser to the mix. Leaning towards the ‘obris nox merus’ by Aromis or the Organic Aromas raindrop diffuser. Approximately how many hours would you anticipate the oils lasting if diffusing a low volume? Do you recommend one of these over the other? Thanks!

    1. Hi Kim,

      The Professional Grade (Orbis Nox Merus) from Aromis has many quality features. One being no water or heat is used and it’s quite popular. When on the low mode, oils last longer and probably about 4 hours. Organic has the same picture as the Aromis Orbis Nox Mercus. Curious. The Aromis brand gets 4.5 stars out of 5 on Amazon and it’s a well-liked diffuser. Check the features and price and then decide which one is best for you.

      Best regards,

  15. Hi Melissa

    Thank you for your great informative article. I’m still unsure what diffuses gives out the least amount of humidity.

    1. Hi B,

      All diffusers put out low humidity. It is not the same as a house humidifier or vaporizer. The mist is quite low. I dislike humidity, so these putting out such a small amount of humidity does not disrupt my flow in life.

      Best regards,

  16. I would like to switch from the candle burners I have been using for years in my store and at home to essential oil diffusers but am having trouble finding a diffuser for my store – what would you recommend for a store that is about 700-800 sq feet. I was planning to join young living to get my oils but I do not really care for the look and cost of their large room diffuser…

    1. Hi Charm,

      There are many diffusers on this page that will cover 700 to 800-square feet. Each brand tells the square footage. They are cost-effective, and, yes, Young Living is a high-end producer, but of high-quality oils and diffusers. Here are some recommendations: ZAQ, QUOOZ, dōTERRA®, and more here. I hope you find the one that works perfectly in your store. As for candles, they use chemicals that can be toxic to sensitive individuals. The same for plug-in air fresheners.

      Best regards,

    1. Hi Denise,

      Thanks for the kudos—we appreciate it!

      Best regards,

  17. Hi Mellissa

    Thank you the very helpful informations.

    My husband is very susceptible to flower aroma ,but loves Vanilla and frangipani .
    I have a diffuser , could you recommend good quality oil.
    I have at present frangipani oil which I find I cannot smell despite leaving the diffuser on when we are in the room

    Your suggestions would be very appreciated


    1. Hi Simone,

      I cannot recommend a fragrance because we all smell differently. Why not try a sampler pack and see which oil is the best for you?


  18. Melissa,

    I’ve been thinking of buying a diffuser (for medical reasons). Is there a real difference or benefit between a diffuser without water vs. with water? Thank you for this great article so I can make a better choice and decision when I make a final selection.

    1. Hi Sandra,

      Diffusers that do not use water only putting the oils on a pad have more oil potency since the essential oils are not diluted by mixing with water. Living BeAtitudes Aromatherapy Nebulizer Diffuser is waterless and so is Organic Aromas Raindrop Nebulizing Essential Oil Diffuser. Visit the nebulizer page and read about these great units.

      Hope this helps you and that you stay healthy and happy!


  19. Hi Melissa
    Thanks for sharing this valuable information
    A Little help.
    Do you have any idea on essential oil consumption when using a nebulizer diffuser?
    e.g. 10 ml of essential oil every 1 operating hour at min/max airflow output
    Thanks so much in advance

    1. Hi Francisco,
      I have no idea how to calculate essential oil consumption. You might want to ask that question in a search engine on line.

      Best regards,

  20. Hi Melissa,

    Thanks for your great article. My husband is hesitant to get a diffuser, worried that the mist or oils might ruin furniture, countertops, or cabinets. Do you know if this is a problem?

    Thank you!

    1. Hi Wendy,

      I see no problem with your furniture. The oil mixes with the water and puts a mist into the air. You can always put a towel under the diffuser if your husband is worried about oil on the furniture. My diffusers do not ruin furniture and other people have no problem.

      Best regards,

  21. Is there a benefit of the spout on the rim vs coming straight out of the middle of the top? Should both work equally the same????

  22. is there any benefits or pros/cons of the diffusers that the mist comes out of the rim vs out of the middle top of the lid?

    1. Hi Kathy,

      I read both of your notes above on February 14. Some find the side mist to be more directional for missing straight to a baby for instance. There is no difference except for direction. Hope this helps.

      Best regards,

  23. Hi Melissa,
    I purchased a diffuser for my daughter who is pregnant. When she received the box, there was a warning label on it that reference “California Proposition 65 Warning…This product is fabricated from materials which may contain chemical knows to the State of California to cause cancer and birth defects or other reproductive harm.” As I’m sure you can imagine, it has scared us away from this particular diffuser because it doesn’t tell us WHAT material it is and researching that warning doesn’t give you specifics either. Do you have any information about this?

    1. Hi Nikhi,

      I do not live in California, but do know that state has strict rules for the environment and products we buy.
      The material is probably the plastic water container.
      Please check here for ceramic units and here for glass diffusers.

      Best of luck to your daughter.


  24. Other than Diffuser & Nebulizer, can Electric Essential Oil Burner deliver the same benefit and results?

    1. Hi Jessie,

      Yes, electric essential oil burners deliver.


  25. Hi, This was so helpful. I am currently looking for a diffuser and I was wondering about negative ions. Do all ultrasonic diffusers make negative ions? When I read the features of the different models, not all of them mention it.

    1. Hi Amber,

      With a mist using water, you will have negative ions. That is the beauty of nature. Take a shower, walk in the rain, visit a waterfall–negative ions and they are good for uplifting your mood.


      1. I’m so thrilled to see this question and response…thank you! I am looking at the bamboo diffuser but was questioning it because they don’t mention anything about the negative ions or air purification.

        I have learned so much from your site! Thank you for guiding me on my essential oil journey ?

  26. Hi Melissa,

    Which Essential Oil Diffuser brand you like best, I need some suggestions from you, Thanks!

    1. Hi Lucy,

      I like to put a small one in my car–see it here and I like the Cool Breeze that you can see here because it is so big and cute and will mist for many hours.

      Thanks for writing and asking.

      1. Hi Melissa

        I love your page, and your thoughtful responses to those who write to it! What a delight –

        I have an electric Oil Garden Aromatherapy diffuser and sadly did not keep the instruction sheet so am finding it baffling to assemble.

        Do you have access to nstructions for this unit? ( In Essence oils are sold alongside this diffuser).

        Warm regards

        Jacqui ( Perth, Australia)

        1. Hi Jacqui,

          Contact the company online using the “contact” at the top right to ask for an instruction manual. They are in Australia. Hope this helps you.

          Best regards,

  27. also looking at the quooz rockano.

  28. I need a diffuser for my work. I am a receptionist and sits in a big wide open lobby. I want a diffuser that I can position directly on me. Is there such a thing?

    1. Hi Anna,

      All diffusers can be placed in front of you. Try the very small Verelily NOVA that uses no water and you can also put it in your car! I love this one and it works nicely at my office desk too.


    2. Yes. I have a small diffuser that can run on batteries or electricity called “Nature’s Bounty”. Just ten dollars from Walmart. Add a few drops of essential oil onto a pad and turn on! No water needed. Very effective for a party of one!

      1. Hi Eve,

        Ours are better! (smile)


  29. This was extremely helpful!!

    1. Hi Holly,

      Glad you found all of this helpful. Please come back and see new things often.


  30. Hi Marvin,

    The Amazon page you asked about is located here: #6 at

    The ones you like are good and you will have a great experience with any of them.


  31. Are all the five star diffusers food grade in that they can hold up to the oils without melting? I’ve heard reviews of diffusers deteriorating and melting from the oils.

    1. Hi Dalyce,

      True, they will not melt.


  32. Hello,
    Your article is very helpful. I am looking to purchase a diffuser. I am moving to an extremely dry climate and will also need a humidifier. But I’m concerned that the ultrasonic diffuser won’t provide enough humidity and I’ll need to run a humidifier and a diffuser. Any advice about how I could accomplish both with one thing?

    1. Hi Shari,

      A dry climate is where I once lived and loved it! A diffuser does not offer a great amount of moisture emitting from the top. The Ultrasonic Cool Breeze Dinosaur Egg diffuser is a large unit that disperses large amounts of moisture on high. I live in a very humid climate and this one added more humidity in an already humid house that I have.

      Sorry to say if you want an abundance of humidity you would need to install a unit in your furnace, unless you have electric heat, where that cannot be done. A whole-house humidifier might be the way to go for lots of humidity where you can control the percent level of humidity, usually at 30-35% in the summer. When I lived in Colorado, I had an Aprilaire® that I loved and had professionally installed in my existing furnace.

      If that is overkill for you, there are small portable units that you can move from room-to-room. The Air-O-Swiss humidifier is excellent.

      I hope these options help you with your humidity situation.

      Best regards,

  33. Melissa:

    Your reviews are very helpful! What I keep getting confused about is the timer. I would like one that I can program to come on automatically everyday for x hours and then turn off or comes on automatically everyday several different times a day. Would prefer one that just uses essential oils with a bottle.

    1. Hi Harriett,

      Timers can seem confusing. The best one with a bottle is the Verelily NOVA that is ultrasonic using no water. You can run it from 1 to 4 hours and other settings. Check it out here. You might like the ArOmis shown here.
      Best regards,

  34. Hello Melissa. I have been to this site twice and have enjoyed all the comments and information I have found here. I am still fairly new at being an essential oil user, but am learning more all the time. Still, it can be rather daunting trying to separate fact from fiction. For instance: I was told by my daughter in law that it was okay to use my cold mist humidifier as an essential oil diffuser (adding the oil to the water), but then I read somewhere else this is wrong!!!???? BTW: She is a Distributor for essential oils (the Big company). So, just saying I appreciate the input I get from this site. Thanks again Melissa. Ken

    1. Hi Kenneth,

      Of course you can use cold water. A cool mist humidifier puts out cool moisture, so why would you put in warm or hot water? That would be rather silly and defeat its purpose. You cannot use a humidifier as an essential oil diffuser no way! The thick oil will clog the holes, tubes, etc. Why would you do that when the instructions tell you not to? Our site is fairly accurate.


  35. I have found that the disk fails in most of my diffusers. What is the best product for that issue?

    1. Hi Sandy,

      There’s no specific product that is best for this issue. If the disk failed, contact the manufacturer for a replacement.


  36. Hi Andrew,

    This world is made of plastic! What “proper substitute” do you suggest? Why don’t you write to each manufacturer of plastics and institute a change? I am not the person to bitch to. I don’t make the products or sell the products, therefore I have no control.


    1. Hi Melissa. Firstly the world in not made of plastic, if it were, we wouldn’t have essential oils. Secondly you don’t know how much I am in contact with disreputable plastic manufacturers. Third, I didn’t mean it as a personal attack, I was hoping to raise your awareness as you were touting BP A free, as if that actually meant something in the scheme of healthier plastics that are heated, because as I have pointed out, it doesn’t.
      The industry is using equally dangerous Bisphenols in plastic and it would be really helpful, regardless of whether you make or sell them, to stop promoting them.
      A proper substitute could be any substance that wasn’t toxic when heated.
      Ceramic or stone for starters, toughened glass wouldn’t go amiss either.

  37. We are in search of a diffuser for our bathrooms in our Orthodontic practice. We would also if the right one is found for the entire office. Help as I am a rookie at knowing what to look for.
    Thank you

    1. Hi Denise,

      Even people having braces put on would like a nice smelling fragrance. Read about different sizes here for the rest rooms and entire office.

  38. Hi there!
    Is there any kind of electric oil diffuser made of stone, ceramic or anything away of plastic?
    I think is a very important information before i proceed to my 1st experience.
    Thank you.

    1. Hi Stathis,

      Yes, there are ceramic diffusers and you can read about them here.


      1. This link is not working. Is there an updated location?

  39. Hello,
    You mentioned the nebulizer diffuser goes through oil faster. If using a nebulizer diffuser for only a couple of hours a day, how much oil will go through in a month….based on needing the aroma for a large life living room? Which brand do you recommend? I see the Aimcare wooden/glass nebulizer diffuser gets good reviews.


    1. Hi Sally,

      I run my nebulizers all day and can get 2 weeks use from the oil. All the oil brands are good listed here.

      I am not familiar with Aimcare, but we do have the glass wooden ones here.

      Best regards,

  40. Hi there!! Love all your suggestions!! I have an eterniti diffuser but it just doesn’t seem to put out enough aroma and it certainly does not last. Does any one make one that is powerful, strong and long lasting? Thanks so much in advance!!

    1. Hi Lisa,

      A nebulizer diffuser uses pure oils and no water. You might want to try one for longer lasting fragrances. You can read about nebulizers here.

  41. Wow, lots of wonderful information here! I have 2 diffusers and a large room. Neither diffuser is sufficient to cover the whole room. I asked friends on Facebook for suggestions and one friend posted this link. Everything I need to know in one place! Thank you so much. It’s really helpful.

    1. Hi Kathryn,

      Look at the Ultrasonic Cool Breeze Dinosaur Egg that holds 500 mL of water with a larger upcoming mist. I like it very much and you can see it here.


  42. I’ve used many humidifiers and I have learned that I will only use the ones that convert the water to steam as opposed to the cool mist humidifiers. They are also the cheapest, usually under $20. If you use an ultrasonic humidifier or aroma machine you must use distilled water or you will end up with a lot of “white dust” all over your house which is really just the minerals from the water. Distilled water is very expensive for a humidifier if you need 2-4 gallons per day. Can someone recommend an aroma machine that does not use ultrasonics to dispense the oil fragrance? I am not sure that heating the oil destroys any benefits. Do I really want micro droplets of oil (and water) with an ultrasonic machine being ejected into my living space for me to ingest? Maybe a little heat with a quiet fan without water would be best.

    1. Hi Steve, read your review and actually wrote one up myself. It’s awaiting moderation. I am using cold air diffuser. Trust me its by far the best product ever. Check out they mostly sell cold air diffusers but one product they sell uses a small fan, called aroma cube. Very small and doesn’t cover much space but maybe what you are looking for other wise check out the AroMini that I bought. Happy New Year!

    2. Hi Steve,

      Larger water used humidifiers are different from small diffuser using essential oils. All are cool mist with no heaters. Humidifiers should also use only distilled water for the same reason–white mineral dust from tap water. You can also attach a reverse osmosis water purifier to your kitchen sink to always have the best filtered water. I have one and love it. Oils are never heated and would destroy the benefits of essential oils. You will not be “injesting” (eating) the oils, but the benefits from inhaling are wonderful.

      I don’t know what to tell you to solve your dilemma.


  43. Hi Melissa, i hope you had amazing Christmas with your family.

    I love your site and find it quite helpful. You do great work :))

    I bumped into this article about the comparison of various diffusers and I had to comment on your review about nebulization diffusers. Before I purchased mine recently I used your article to make my decision, you did sell me on the ultrasonic diffuser and I ended up buy-ing a few of them but to my disappointment I wasn’t impressed. So I had to dig a bit further and finally made a purchase from a company in Canada called AromaTech,

    I had a chance to use it for 4 months now and here are my findings. With a lot of respect to you and your blog (which again I love) I disagree on some of your points and would love to add my input if thats ok: 1) noise level, 2) refilling 3) higher price point.

    I’ll address each and every one of these points. I do want to note that my experience of cold air diffusers is only from one company, AromaTech, who by the way have treated me very well and I was surprised by their customer service and support, not to mentioned for a Canadian company to have a wear house in USA its nice for quick cheap shipping option.

    1. Noise level. Depending on what diffuser you looked at while making your review there are a number of diffusers out there that are whisper silent. The diffuser I bought is called AroMini and it is incredible. I use it in my spa. The noise level is not noticeable. As you can imagine silence in a spa is everything and we have about 5 of these machines in different rooms. No complaints for customers only positive feedback about how wonderful it smells.

    2. Refills. Fragrance refills are done every month, running at about 12 hours a day. Some oils we use refills are needed every 2 months because they are stronger then others and would last a long time. Our maintenance is practically non existent. Comparing to ultrasonic diffusers we had to refill multiple times a month and the scent output was nowhere near as good or as consistent as with the AromaTech unit.

    3. Price point. You have to compare this apples to apples and I believe these two diffusers shouldn’t even be in the same category and more so not in the same league. As with anything you can’t expect the same quality from a $20 air freshener and a $200 cold air diffuser. Honda VS BMW, Organic home grown veggies vs store bought full of pesticides, Mac vs PC :). For example LeLabos diffuser is $500 +. Its a beautiful piece of art and I love the look of it (I ended up splurging and buying it for my bedroom as I just love its rugged and raw look and the light that it comes with fades in and out with intensity). To be honest I over paid by a ton but its worth it. Coverage is ok and I knew it when I was buying it. Le Labo has awesome fragrances that they sell with their diffusers, try Noir 29, yammy! Try finding a piece of art in an ultrasonic diffuser, that provides great space coverage and diffuses a fragrance in a concentrated dose to really take in the benefits of the EOs.
    Back to price point. There are a number of nebulizing diffusers that are very inexpensive. Again, you have to look at coverage – how much space does it cover? If design is important then that counts. What are the actual benefits you are getting from having a concentrated dose of EOs diffused vs water and a few drops? AromaTech’s AroMini I think costs around $300, and it covers 1,000 sq.ft. We actually have a subscription plan on these machines which is just awesome. Oils are shipped monthly and we only paid $65 per month per machine. Great investment for a great reward.

    My biggest complaint about the ultrasonics is they simply don’t work in spaces that are larger then 100 sq.ft. I used to spend $200 monthly on oils for my ultrasonic diffusers. They diffuse so fast and scent doesn’t travel far, and of course constant refilling of the water tank was a pain. No matter how much oil I have left in my diffuser it always smells the same, which means that I ALWAYS get that consistent scent at any point of the month.

    I also go to a yoga studio that runs ultrasonic diffusers in their bathrooms, well not to my surprise I can never smell the scent.

    From my experience and in my humble opinion diffusers that use cold air diffusion technology are a winner.

    Keep up the great work! Thanks for taking the time to read this!

    Happy New Year!

    1. Hi Kristen,

      Very impressive information! A bit lengthy! Thanks for your wonderful compliments about our site!

      Best regards,

  44. How much electricity does an electric oil diffuser use with light? Its a small unit.

    1. Gladys,

      Virtually none! About the same as a 40-Watt light bulb.


  45. Hi Melissa,
    Per Lea’s video one day, she highlighted the Jasmine Diffuser. I noticed the base is warm and I’m wondering if it destroys the therapeutic qualities of the eo’s.
    Thx, Sherry

    1. Hi Sherry,

      The diffuser’s base will be a little warm from the tiny motor to operate the fan. The water stays cold in the reservoir so the benefits from the oils are not destroyed. Does that make sense?

      Best regards,

  46. I continue to be impressed with the vast array of topics and wealth of information provided on your website. Your efforts are greatly appreciated.

    1. Hi Micki S,

      Thanks for letting me know you appreciate what we do here. I hope you gain valuable information about an array of topics!

      Best regards,

  47. Is one kind / brand of diffuser better than another or are they all basically the same?

    Thank you for all the good information.


    1. Hi Rebekah,

      Most all basically all the same having a fan and switches. Better units have LED lights, different times for running and larger water reservoirs. Ultrasonic units use water and the nebulizers use pure essential oils straight without water. It’s all what you want: size, use with/without water, with batteries to use in the car, lights or no lights.

      Best regards,

  48. Does it matter if your diffuser is not BPA free?? I know most times it is said that making sure to stay BPA free is more for plastics that come in contact with skin?

    1. Hi Amanda,

      I wouldn’t use BPA plastic with kids or babies. How well BPAs leach into the water and/or oils is not well understood by me. Personally, as an adult, I don’t really care. I never have my face breathing into the vapors. As plastic water bottle’s plastics break down, you could get BPA into your system. Read more about it here.
      Today plastic water pipes are used in homes.

      Best regards,

  49. I’m trying to find a non-plastic diffuser (not nebulizing, but something more cost-effective to operate — ultrasonic). I’m assuming from your wealth of information (and it IS a wealth, by the way!) that if you don’t say anything about it being BPA-free, that it’s plastic that isn’t BPA-free — still plastic. Do you know of any ceramic or glass diffusers — preferably that will also allow citrus to be used?


    1. Hi Sherry,

      The #1 ultrasonic here is my favorite. The #6, above glass is very good. Not all plastics are BPA-free. I only note that distinction when it is true.

      Hope this helps you.

      Best regards,

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