Best Air Purifier Reviews and Buying Guide for 2016

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The top 10 best air purifiers for allergies, asthma, dust, mold, mildew, pet dander, and smoke are discussed here for you to be healthy and happy. Discover the finest types for functions, features, and looks for your home at affordable prices.

Energy Star® certified air purifiers would save you money on your electric bill and provide environment benefits as well. Timer modes provide convenience and digital controls are easy to read. Some units come with hand-held remote control units.

What is an Air Purifier?

To rid your home of contamination and pollutants, the small electrical piece of equipment, known as an air purifier will improve your air quality in a matter of only a few days. The air will be cleaner, not feel as heavy, dust will be gone, and everyone will breathe better.

If you want a small humidifier, try using a diffuser with essential oils or without oils to be a small humidifer with only water added.  It will cover a small local area and provide benefits.

Who can use an Air Purifier?

Anyone who wants clean air can use an air purifier. Air purifiers have no side effects and all people want healthy air to breathe in. No one wants to dust furniture constantly for pet hairs and dander and vacuum the carpet everyday.

Where can I use an Air Purifier?

Put a portable air purifier in any room of your house. You might want it in the room where you spend the most time, or purchase several for constant purification in other rooms. You might spend a lot of time in the lower level or basement of your home and an air purifier would be beneficial there as well if the basement has mold spores and a musky smell. Always place them two feet from walls and doors to permit airflow.

Types of Air Purifiers

Filters Air Purifiers

Grill-style air cleaners use filters. Material can be fiberglass, cotton, foam, or synthetic fibers. The material compactness control the particle size passing through it. Thick dense filter material grab super small particulates in the air. Pleated filters have an increased surface are to grab the particles. Some filters can be washed and some must be replaced.

  • HEPA (High Efficiency Particulate Air) filters remove particles to comply with the US Department of Energy (DOE) regulations. Any material can be used for the filter but is must meet the standard of 0.03% for particles 0.3 micrometers in size and larger. Airflow is specific for penetrating the filter. HEPA filters are used in high-end vacuums and other devices using filters for home use or industrial use.

  • Activated Charcoal Filters are used as an adsorption (not absorption) material for capturing fumes, odors, and chemicals in your air. A familiar adsorbent is activated charcoal that is porous with tiny areas to catch molecules passing into it. Large particles stick to the numerous pores in the charcoal.

HEPA (High Efficiency Particulate Air)

Ionizing Air Purifiers

The air purifiers use a corona discharge for producing ions that are negatively charged molecules. Dust and other large particles are easier to be ionized since they are larger to be passed through the corona discharge. Two metal plates in the air purifier are charged with one being negative and one positive that attract the particles that are drawn to each other when they have opposite charges where they cluster with each other and become heavier to settle from the air.

UV Light Air Purifiers

Ultraviolet (UV) light causes specific microorganisms to be harmless and non-reproductive. Airborne viruses, bacteria, and mold spores pass through the UV light that cleans the air as the pathogens pass through killing them.

Ozone Generating Air Purifiers

Similar to an ionizer, the ozone generator alters oxygen molecules and turns them into ozone. These molecules have three oxygen atoms. In nature, the atmosphere is dioxygen that is made of two oxygen atoms. Exposed to UV light or a corona discharge, some of the molecules split into free oxygen atoms. Some of the atoms make ozone yet most of the oxygen combines again into dioxygen.

As for ozone, it is a toxic gas, that is not a stable molecule, can react with other chemicals in the air making new compounds that can be more unsafe than the ozone. Manufacturers of ozone devices state that ozone disinfects the air, provides health benefits, and deodorizes the air. There are compelling indications that this is not true. Ozone causes corrosion and rusts metal.

Important Features to Consider When Choosing an Air Purifier

1. Clean Air Delivery Rate

Clean Air Delivery RateClean Air Delivery Rate (CADR) is the amount of filtered air volume returned to the air after being filtered by the air purifier. Three measurements are specified for dust, tobacco smoke, and pollen. The greater the CADR number the higher the air purifier is filtering your inside air.

Many different brands of air purifiers will have this seal. The acronym means Association of Home Appliance Manufacturers with the certified Clean Air Delivery Rate (CADR) logo. The testing certification is used for rating air purifiers by the Consumer Union for its publication of Consumer Reports. This test and certification is recognized by the American National Standards Institute, ANSI.

What is the Clean Air Delivery Rate?

certified Clean Air Delivery RateCADR was established in the early 1980s and AHAM in 1967. CADR shows the rate of pollutants and contaminates reduced in a testing chamber. This test determines the air purifier’s capability for removing certain particulates in a controlled chamber and it is measured for its ability to remove 0.10 to 11 microns from the air for pollen, dust, and smoke.

Results Information

  • Size of the particle eliminated
  • Percentage of particles eliminated
  • Actual air volume moving through the unit

Three Groups of Sizes for Particles Tested

  • Pollen: 5.0 – 11.0 microns
  • Cigarette Smoke: 0.10 – 1.0 microns
  • Fine Dust: 0.5 – 3.0 microns

Particle percentages are converted to numerical rates ranging from 0 – 400 for smoke and 0 – 450 for pollen and dust.

Interpretation for Air Purifier Efficiency

The test results tell you comparison numbers to determine the performance of air purifiers. It gives an overall performance of the filtering system as well do help you determine how large of a unit you will need for your situation.

2. Area Coverage

It is difficult to purify air in large areas if you purchase an air purifier that is too small. When you buy a unit that is too small, the air purification will not be done well. You will be wasting your money.

To determine the square footage of the area, multiply the length by the width of the room. A room that is 12- by 14-feet = 168-square feet. Purchase a unit that is not more than 67% of the room size you want the air purifier to clean. If your room is 168-square feet, 67% of that is 113-square feet. You will have more air changes per hour (ACH) from your unit so do the math. Do not purchase a unit that only delivers 2 air changes each hour. Allergy sufferers like to have 5 or more air changes each hour.

There is no one air purifier that is better than another. You will need to identify the type you want, the features, and whether it has a remote control, and if it works for your square footage for the area you want to cover.

Select Air Purifier

3. Noise Level Compared to Other Sounds

Most manufacturers of air purifiers indicate the decibel (dB) level for each fan speed. This comparison might help you understand the dB rating better for air purifiers.

Decibel (dB) Comparisons
00-dB Hearing Lowest Level
10-dB Normal Breathing Sounds
20-dB Falling/Rustling Leaves
30-dB The Average Whisper
40-dB Light Rainfall
50-dB Heavy Rainfall
60-dB Box Fan on High
60-65 dB Normal Talking @ 100 ft.
70-dB Vacuum Cleaner
90-95 dB Hearing Loss
90-dB Train Whistle @ 500 ft.
98-dB Electric Hand Drill
115-dB Loud Rock Music
140-dB Jet Engine @ 100 ft.
165-dB Blast from 12-Gauge Shotgun
180-dB Hearing Death
194-dB Loudest Possible Sound

Each person perceives sound differently. Sound levels can be affected by “traps” such as drapes and carpet and be quieter. Sound will reflect when there are no soft surfaces to absorb the sound vibration. Your distance from the unit will change the sound; the speed will change the decibels. The faster (higher) it runs the louder it will be since it is running faster to push more air. The lower the fan, the lower the noise level.

4. Filter Reset

Check your manufacturer’s manual for the filter reset button location how to use it.

5. Asthma and Allergy Friendly

For the 60-plus millions of Americans suffering from asthma and allergies, the asthma & allergy friendly Certification Program was created in 2006. This was created by renowned medical professionals and is the largest and oldest not-for-profit allergy and asthma patient support group in the world. The professional medical people advocate for empowerment of consumers to make informed decisions when buying allergen-avoidance products. The Certification Program tests and identifies products that are more suitable for this large group of individuals suffering from allergies and asthma.

6. Airflow Rate

Airflow rate is a huge consideration when purchasing an air purifier. Airflow is measured in CFM (cubic feet per minute). Air is a gas and it can be calculated by its mass or volume. The air cleaner manufacturers describe airflow in volume. Airflow is contingent on two aspects: the built-in fan and the filter’s efficiency.

7. Air Changes per Hour (ACH)

Air Changes per Hour (ACH) lets you know the number of times the air is replaced in an hour. The higher the number the better it is. The number can fluctuate between 1 and 7. The higher the number the more the efficiency. If your home has contaminants, it is best that the unit is capable of handling 2 or more air changes each hour.

Be sure when researching different models for how many air changes the unit performs each hour. Some of the air purifiers are less expensive and are most efficient when the fan is running full power and that causes noise. With more high-end models, the number of air changes will be more with lower fan settings.

8. Service Indicator Light

There is no actual service to be done for an air purifier. A long-life LED or LCD indicator light will illuminate when it is time to change the filters. Some air purifier models will provide electronic readouts with built-in timers to indicate the length of time filters will last.

9. Dust Sensor and Air-Quality Monitor

Dust sensors detect particle concentration in the air by using optical sensing devices. The dust sensor detects very small particles such as cigarette smoke from larger particles such as dust.

Air quality monitors use technology and engineering that allows monitoring of indoor air quality with an LCD screen that provides small and large particle counts with a dynamic bar graph showing actual count readings.

The Best Rated Air Purifier Reviews

For allergies, asthma, dust, mold spores, pet dander, viruses, bacteria, smoke and more pollutants, air purifiers are considered in the brand names enumerated below.

1. Guardian Technologies by GermGuardian® 3-in-1 Air Purifier 22-Inch Tower

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Our Rating: 5 out of 5 stars

The Guardian Technologies Pet Pure True-HEPA filter with UV-C (ultraviolet) sanitizer and odor reduction is a #5 best seller on Amazon. The model number AC4825 is a 22-inch tower that is attractive for any home environment and is doctor recommended. It is Energy Star® certified to save electrical energy and cost.

The 3-in-1 True-HEPA air purifier is perfect for allergy sufferers. With a True-HEPA filter, it captures 99.97% of dust and allergens as small as 0.3 microns in size.

Guardian Technologies™ by GermGuardian® 3-in-1 Air Purifier 28-Inch Tower

According to the American Academy of Pediatric Allergy and Immunology, doctors recommend HEPA air filtration to reduce exposure to indoor asthma triggers. More than just a filter, the UV-C light kills bacteria and germs, while the charcoal filter captures odors. UV (ultraviolet) + C is a shorter wavelength that is germicidal and completely absorbed by the ozone layer and atmosphere. [100-289 nm, 4.43–12.4, 0.710–1.987 photon energy (eV, aJ).] UV-C light is highly effective at penetrating thin-walled germs like viruses and bacteria altering the genetic structure of the germs, and they die.

The unit is CADR rated at 100+, is lightweight and ideal to use in medium-sized rooms. The unit includes a UV-C control and a filter change indicator. The 3-speed controls with a manual control knob include an ultra-quiet low speed.

No OzoneThe pre-filter catches the large dust particulates, lint, and pet hair. The charcoal filter is an added layer of protection for capturing odors. The HEPA filter captures dust mites, mold spores, and pet dander. With its titanium dioxide activated by the UV-C light, the remaining household odor molecules are decomposed caused by smoke, cooking, and pets. No ozone is used with this unit. It does not have an ionizer and uses UV light to kill germs.

The unit comes with red and/or blue indicator LCD lights that blink when first turned on. When the unit is on, the light is red. It will blink when it is time to replace the filter or UV-C bulb. If they blink, hold the UV button for 3 to 5 seconds to reset the system until the lights stop flashing. Now it will run properly. There is no remote control unit.

Replace the filter (FILTER B/FLT4825) every 6 to 9 months depending on how much you use the unit. Replace the Combination Filter every 6 months to maintain a good level of air purification. The filter turns from white to dark gray or black when it is time to replace it. The air blows out of the right side when facing the front. The 3 fan speeds are low, medium, and high and the unit can run 24/7. The construction is durable plastic.

The dimensions are 21.5-feet tall x 9-feet wide and 5.5-feet deep and it weighs 7 pounds.

Plug the 6-foot long UL listed cord into a USA 110/120/60 Hz-Volt outlet; input 60-Watt and 0.5-Amps. The bulb is 8-Watts. The unit pulls approximately 60- to 65-Watts on high with the UV on and about 25- to 30-Watts on low. One complete filter system is included with the unit. The filters are not washable. Replacement filters must be genuine Guardian Technologies for maintaining product performance and Warranty. On the top of the unit is a small hole. After replacing the HEPA filter, insert a pen tip into the ‘HEPA reset’ located on the top panel of the unit.

The manual states it covers 155-square feet, yet other users say it covers 1200-square feet. You will receive an Instruction Manual with a 3-year Limited Warranty listed in the back of the booklet.

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2. WINIX PlasmaWave™ Series True-HEPA Air Cleaner

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Our Rating: 4.5 out of 5 stars

Winix is a South Korean manufacturer in business for over 40 years with a corporate office in East Dundee, Illinois.. They are a leader in clean air technology for the home with its premium air cleaners. The model WAC5500 offers 99.97% efficient True-HEPA Filter, Odor Control Carbon Pre-Filters, and PlasmaWave Technology. You will be able to remove lingering odors, allergens, and pollutants in a 350-square foot area. It is a great unit for allergy and asthma sufferers. Breathe happy and be healthy with the Winix that is Energy Star® certified. The color for the body and sides are white and gray to harmonize with your home décor.

Phase 1: Odor Control Carbon Pre-Filter—picks up foul indoor home odors from cooking, pets, smoke, perfume, chemicals, and many more. The pre-filter is coated with CleanCel® that neutralizes bacteria and germs when contacted. This action helps to prolong the life of your True-HEPA filter.

Phase 2: True-HEPA Filter—is the PlasmaWave® Series that uses progressive abilities trapping 99.97% of allergens, pollutants in the air, pollen, mold spores, dust, dander, hair, and more.

Stage 3: PlasmaWave® Technology—was accomplished by collaborating with Drexel University for developing their superb technologies. The PlasmaWave® tackles the home’s air pollutants at the molecular level deactivating viruses, bacteria, chemical fumes, offensive odors, without generating unsafe ozone.

With Winix’s 3-stage air cleaning, you will realize the best in air purifiers with its air cleaning abilities. It also has an odor absorbing carbon filter for removing impurities and contaminants.

You will have a convenient electronic digital display and a remote control unit that takes 2 AA batteries. The remote has a tray for storing it on top of the unit. You can choose from 4 fan speeds and select the PlasmaWave® on and off feature the way you like it. The unit has a light when it is time to replace the filter. The long-life HEPA filter is washable. The replacement filter part number is 115119, 115122 for a genuine filter.

The air purifier has an automatic and sleep mode.

The Winix certifications are AHAM (Association of Home Appliance Manufacturers) and they participate in it as well as the Clean Air Delivery Rate (CADR) program for you to compare air cleaners on an unbiased basis for dust, pollen, and smoke removal. Underwriter’s Laboratory (UL listed) and ARB (Air Resources Board) in California, air pollution research certified. UL (Underwriter’s Laboratory): Protecting consumers with rigorous testing of products for safety and performance,

The dimensions are 21.7-inches tall x 16.3-inches wide x 8.5-inches deep and it weighs about 20 pounds.

Plug the UL listed 6-foot long cord into a USA 110/120-Volt; 60-Hz; power consumption 6- to 70-watts on low/turbo mode.

The unit comes with an extra charcoal filter, a User’s Manual, and a 1-year Warranty.

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3. Honeywell® True-HEPA Allergen Remover Air Purifier

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Our Rating: 5 out of 5 stars

The new Honeywell® True-HEPA Whole Room Air Purifier with Allergen Remover, model HPA300BHD is Energy Star® certified to cover 21- x 22-feet or 465-square feet. The black unit traps up to 99.97% of airborne allergens that are 0.3 microns and larger passing through the filters such as smoke, pollen, dust, mole spores, and pet dander. The air intake is from the front and clean air emits from the top.

The Honeywell® replacement pre-filter is HRF-AP1The activated carbon pre-filter decreases odor combined with the True-HEPA filter for keeping your house free of foul smells, volatile organic compounds (VOCs), bacteria, viruses, and allergens. This unit provides easy to touch controls with 3 air-cleaning modes and will automatically shut off when the timer is set. By default, the unit timer can be left on to run 24/7. The turbo clean setting and 2-, 4-, and 8-hour timer setting permits you to run it the length of time you desire. There is no remote control unit with the product.

You will also receive filter replacement reminders. The Honeywell® replacement pre-filter is HRF-AP1 and True HEPA filter is HRF-R3 (3-Pack). The pre-filter is good for 3 months and the main filters last 1-year and cannot be washed.

The Honeywell® air purifier is the number one system indorsed by 7 out of 10 medical doctors and allergists for treating allergies and asthma. Using its mechanical filtration method, the fan draws the micron sized particles in your air forcing the air through the HEPA filter where the air is cleaned and circulated back clean into your room up to 5 times each hour. The filtration treatment does not produce negative ions so no ozone goes into your environment. Therefore, anyone with breathing conditions such as COPD, emphysema, and asthma will feel better.

The unit is rated dust at 320 for the AHAM and CADR testing standard, tobacco smoke 300, and pollen 300. CADR is the volume of air filter by the unit and the higher the numbers the faster the air is filtered. Honeywell® meets the industry’s precise regulations for Clean Air Delivery Rate (CADR) Performance and the Association of Home Appliance Manufacturers (AHAM) for clean air compliance.

Plug the UL listed 6.3-foot long cord into a USA 110/120-Volt; 60-Hz; 127-Watts at the highest fan setting at 1.10-Amps. There is no UV light in this air purifier.

The dimensions are 22-inches tall x 20.8-inches wide x 10.83 inches deep and it weighs about 20 pounds.

A complete set of filters is included in the box. You will receive a User’s Manual and 5-year Warranty from Kaz USA shown in the manual with your Honeywell® air purifier.

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4. Coway Mighty Air Purifier with True-HEPA Filters

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Our Rating: 4.5 out of 5 stars

The Coway Energy Star® certified model AP-1512HH black or white unit traps up to 99.97% of airborne allergens that are 0.3 microns and larger in size with its True-HEPA filter. The pollutants pass through the filters such as mold spores, pollen, smoke, pet dander, and dust. The unit will cover 361-square feet using the KACA standard. The BAF (British Allergy Foundation) approved HEPA filters, AHAM (CADR) smoke is 233, dust is 246, and pollen is 240 for good breathing air. The Coway has a pre-filter, odor filter, True-HEPA filter, and vital ionizer.

The air purifier has 3 fan speed levels with auto and eco modes. The timer can be set for 1-, 4-, and 8-hours. It has a filter indicator light for when it’s time to change the filter. An air quality indicator is also a feature. The eco mode lets you save energy on your utility bill.

The Coway cubic feet per minute airflow rate is (CMM/CFM) 7.6 CMM. The noise level is 24.4 to 53.8 dB depending on the fan speed. The lower the speed, the lower the dB. The unit has been certified by the California EPA Air Resources Board (ARB) as either not producing ozone whatsoever or emitting ozone in a concentration of less than 0.050 parts per million (PPM) to be exceedingly low or nonexistent.

Plug the UL listed 6.3-foot long cord into a USA 110/120-Volt; 60Hz; 14.9 to 77.8-Watts depending on fan speed at 1.0-Amps.

The dimensions are 18.31-inches tall x 16.81 inches wide x 9.57-inches deep and weighs about 12 pounds.

Gift-wrapping is available for a loved one or friend. You will receive a User’s Manual and a 3-year Limited Warranty.

5. IQAir® HealthPro® New Edition Plus Air Purifier

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Our Rating: 5 out of 5 stars

The Swiss made label is more than a distinctive origin, but a symbol of top-quality design, engineering, and innovation. The air purifiers are manufactured at the Swiss production facility on the pristine shores of Lake Constance for more than 50 years. The IQAir® is rated the most effective air cleaner for allergies by Germany’s consumer foundation.

The IQAir® HealthPro® model MYC5 air purifier shares a pledge with the American Lung Association for clean and healthy air for lung disease prevention. The super fine particles in your home environment are the most dangerous. More than 90% of all the particulates in the air on smaller than 0.1 microns in diameter! The ‘ultrafine’ particles cause cancer, strokes, and heart attacks, to include respiratory illnesses. It is wonderful for allergy and asthma sufferers. It has caster wheels for easy moving from place to place.

IQAir® holds a Certificate of Performance for individual tests conducted on HealthPro® Series New Edition model air purifier. All testing done at the factory assures you of the unit’s performance that meets the strict guidelines. An electronic laser particle counter is used for verifying the HyperHEPA® filter system that meets the standards set. The device delivers 99.97% cleaner air or it will not be shipped to consumers.

The air purifier’s feature is a very advanced filter-pleating pattern ever designed for a residential system. This technology not only increases airflow, but also increases particulate loading capacity by 20% on the PreMax pre-filter and 38% on the main HyperHEPA® filter. This saves you money and reduces the frequency of filter replacements.

There are no side effect risks with this best unit. It uses 100% healthy technology with all of its functions, features, and filtration abilities. No dangerous ozone, ions, or UV light is created. It has a programmable control panel with filter monitor. The unit comes with a remote control (batteries included) and the unit has an integrated timer.

The 4-Stage filtration method cleans the full spectrum of pollutants in your air by using a set of filters manufactured by IQAir®. The filters are the best for each type used in the air purifier unit. The unit covers 900- to 1000-square feet.

Micro-particle Filters—pull air in using the Pre-Max filter for eliminating micro-particles of mold spores, pet dander, and pollen.

Granular Activated Carbon Adsorption—is the next process using the V5-Cell Gas and Odor Filter a granular activated carbon adsorption (not absorption) for eliminating harmful chemicals, formaldehyde, and volatile organic compounds (VOCs) that are the reason for odors.

Pelletized Chemisorption—is a pelletized filter to destroy other noxious chemicals to include formaldehyde that is also captured in the carbon filter listed above.

HyperHEPA® Filtration by IQAir®—is a True-HEPA filter to remove ultrafine and fine particles for example, viruses, bacteria, mold spores, smoke, and dander.

The filters are easy to replace in the modular design. It snaps open for gaining access to all filters quickly. No special tools are needed, the arms unlock, and the filters slide off the frame. The filters are not washable.

The New Edition white model has 32% less sound at all 6 fan speeds. The fan in the center configuration places it between sound reducing filters. The rubber suspension pads isolate any motor vibration from the housing. The EvenFlow Diffuser bounces sound back into the unit. Low velocity and turbulence air is quiet for a restful night’s sleep. The HyperHEPA® filter pack is sealed into the filter frame.

The unit is energy efficient and powerful. It uses no more wattage than a regular light bulb. It distributes up to 780 CFM of air at 27-Watts power at the lowest fan speed and up to 215-Watts at the highest fan speed for a low cost of pennies each day.

Air delivery, including filters, 6 fan speeds 40, 75, 140, 180, 220, 330 CFM (70, 130, 240, 310, 370, 560 m³/h).

Plug the UL listed 6-foot long cord into a USA 110/120-Volt; 60-Hz; power consumption 27- to 215-Watts on low or high fan mode.

The dimensions are 28-inches tall x 16-inches wide x 15-inches deep and weighs about 29 pounds.

In the box is the manufacturer’s Certificate of Performance, all filters, User’s Manual, and a 5-year Warranty.

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6. Holmes® Desktop Air Purifier with HEPA-Type Filter and Optional Ionizer

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Our Rating: 5 out of 5 stars

Holmes® Desktop Air Purifier model HAP242-NUC, Style 1, is a #1 best seller on Amazon. It clears the air with its HEPA-type filter in small rooms up to 155-square feet, and ideal for your private office. The one Aer1® filter included with the unit has 10 times the power to control odor with carbon, zeolite, and ARM & HAMMER baking soda while removing up to 99% of air pollutants including dust and pollen. It has an optional ionizer to assist in particle removal. The air purifier produces ozone when you turn on the ionizer. It produces less ozone than the UL limits of 50 ppb. Use in a well-ventilated place with the fan on to prevent ozone buildup.

This air purifier is perfect for small rooms up to 109-square feet or 9- x 12-feet. It is not Energy Star® rated, yet only uses about $12 per year in power.

The quiet operating unit removes household odors and up to 99% of particles such as dust, mold spores, pollen, smoke and pet dander. The HEPA-type filter catches particles as 2.0 microns for easier and more comfortable breathing.

The unit uses a HEPA filter to trap 99% of typical airborne particles, while an activated carbon filter removes odors from the air. Both filters are accessed through a pop-off cover, and sliding switches control the settings. The unit’s durable plastic housing features Microban protection that guards the product against microbial growth, such as mold, mildew, and bacteria.

The unit has 3 speed settings for how you like the fan to run and a filter change indicator. The slender design can be put horizontally or vertically for space fit. The smoke CADR is 70. Genuine filters are any Holmes AER1 Series Filters or Holmes HAPF30D-U2 HEPA TYPE or Holmes HAPF300D-U2 TRUE HEPA Filter and a HOLMES ARM & HAMMER Carbon Filter AOR31.

Using your ionizer may result in an occasional popping or cracking sound. This is a normal sound, generally caused by particles of dust that are interrupting the flow of ions, causing a small build-up of ions that, when discharged, cause the popping, or cracking sound. The pre-filter is a spongy type and is washable. Ozone/ionizers are better at eliminating VOCs, gases, and killing viruses, fungi, and bacteria.

It is important to replace the HEPA filter at the recommended intervals about every 6 to 8 months. When your register your unit online, you will receive email reminders of when to replace the HEPA filter. The other one being washable, means there is only one to replace.

Plug the UL listed 6-foot long cord into a USA 110/120-Volt; 60-Hz; power consumption 40-Watts on low or high fan mode.

The dimensions are 7.2-inches tall x 14.69-inches wide x 11.69-inches deep and weighs about 6 pounds.

Gift-wrapping is available for a loved one or friend. The unit comes with all filters, a User’s Manual and a 3-year limited Warranty.

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7. Whirlpool® Whispure Air Purifier True-HEPA

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Our Rating: 5 out of 5 stars

The Whirlpool® air purifier is USA made and Energy Star® certified. The model AP51030K is available in white or slate black and covers up to 500-square feet at recirculates at 4.8 times each hour. It has 4 fan speeds with turbo and sleep modes.

The unit is 99.97% effective with the true-HEPA filter that can filter 0.3 microns in diameter. The Clean Air Delivery Rate (CADR) certified by AHAM is 315.

The unit is quiet and it’s easy to use the electronic touch controls on the top. The air purifier has a three-stage filtering system consisting of a pre-filter, carbon, and true-HEPA filter. The grill on the outside of the unit performs as a permanent pre-filter by catching large particles to keep them from entering the unit. Large particles reaching the inside are caught by the carbon filter. This filter works to rid your area of foul odors and also protects the longevity of Filtrete® the True-HEPA filter from 3M®.

The True-HEPA filter removes pet dander, dust mites, pollen, ragweed, mold spores, and other microscopic irritants that can damage your indoor air quality and aggravate allergy and asthma symptoms.

Plug the UL listed 6-foot long cord into a USA 110/120-Volt; 60-Hz outlet. It has no remote control unit.

The dimensions are 24-inches tall x 20.5-inches wide x 10-inches deep and it weighs about 20 pounds.

The unit comes with the filters, User’s Manual and 5-Year Limited Warranty.

8. Honeywell® Long-Life Pure HEPA QuietCare Air Purifier

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Our Rating: 4.5 out of 5 stars

The Honeywell® is the number one suggested air pure brand by allergists and doctors. The model 17000-S confines 99.97% of microscopic allergens 0.3 microns and larger when then pass through the filters. The Honeywell® QuietCare True-HEPA Allergen Remover Air Purifier will provide clean air to breathe and is available in white. It will capture pet dander, mold spores, pollen, dust, bacteria, viruses, foul odors, and smoke. The particle reduction is contingent upon the amount of air processed, the pollutant type, and the pollutant’s introduction rate into the environment. The air is pulled in around the circular filter at the right side of the unit and the air is vented out at the top.

It has an electronic push button control panel for 3 levels of cleaning the air. The unique SurroundSeal Technology helps minimize air leaks. This air purifier does not produce ozone or charged ions when using filters.

The carbon pre-filters remove odors in your home and help to lengthen the HEPA filter lifecycle. For replacement filters, 2 each HRF-D1 filters are needed. For a replacement pre-filter, HRF-AP1 or 38002 pre-filter can be used. The HEPA filters can be vacuumed to clean.

Its QuietCare provision reduces noise to operate quietly, and the Intelli-Check tells you when it’s time to replace the pre-filter. You can select from 3 speeds with indicator lights to run the fan at low, medium, or high. The light blinks one time when the filter has life, two blinks for less life, and three blinks indicate even less life, while a steady light means it’s time to change the filters. The pre-filter lasts about 3 months while the HEPA filter will last from 1 to 3 years.

The Honeywell® is AHAM certified to cover medium- to large-sized rooms up to 200-square feet. The CADR specifies the volume of air the air purifier produces. The higher the numbers are the quicker the purifier filters your air. The CADR numbers for this unit are tobacco smoke 130, dust 130, and pollen 130.

Plug the UL listed 6.3-foot long 2-prong cord into a USA 110/120-Volt; 60-Hz; 80-Watts at the highest fan setting at 0.75-Amps. There is no UV light in this air purifier. Be sure to set the unit 2-feet from walls and furniture for proper air circulation.

The dimensions are 17.08-inches tall x 15.08-inches wide x 13.14-inches deep and weighs about 12 pounds.

A complete set of filters is included in the box. You will receive a User’s Manual and 5-year Warranty from Kaz USA shown in the manual with your Honeywell® air purifier.

9. WINIX PlasmaWave Ultimate Pet Series True HEPA Air Cleaner

WINIX PlasmaWave<sup>™</sup> Ultimate Pet Series True HEPA Air Cleaner width=
Our Rating: 5 out of 5 stars

Winix is a South Korean manufacturer in business for over 40 years with a corporate office in East Dundee, Illinois. They are a leader in clean air technology for the home with its premium air cleaners. The model WAC9500 offers 99.97% efficient True-HEPA Filter, Odor Control Carbon Pre-Filters, and PlasmaWave Technology. PlasmaWave technology generates both positive and negative ions to create plasma clusters that instantly neutralize viruses, bacteria, chemical vapors, and odors. You will be able to remove lingering odors, allergens, and pollutants in a 283-square foot large room area using the AHAM (CADR) room size rating. it is a great unit for allergy and asthma sufferers and is the ultimate for pet dander and hair. The Winix is Energy Star® certified. The color for the body is gray and the sides are white to harmonize with your home décor. The unit breaks apart odor, allergens, chemical vapors and other pollutants at the molecular level without producing any harmful ozone. The Winix PlasmaWave uses a corona discharge purifier that creates ozone, but since the ozone emitted is less than 0.05 ppm regulated by the EPA, these devices are marketed as emitting no ozone. You can turn the PlasmaWave feature off.

The washable advanced odor control carbon filtration, anti-microbial hair collecting pre-filter; and PlasmaWave technology work together to provide top-quality control of pet dander and odors, as well as other household odors and allergens like pollen, mold spores and smoke particles.

The electronic display is digital and there is a remote control included. The unit has 3 smart sensors for you to set and forget about it, 4 fan speeds, and an auto mode and sleep mode. It has 5 stages of air cleaning and an air quality and light sensor. The pre-filter is washable and the advanced odor control (AOC) carbon filter is washable as well. The HEPA filters are not washable and must be replaced. The unit has a replacement filter light to let you know when new filters need replacing. The replacement filter part number is 21HC4.

The unit is UL and ARB certified. The AHAM (CADR) values for dust are 182, pollen 194, and smoke 183. It comes with a remote control and uses 2 AA batteries included.

Plug the UL listed 6-foot long cord into a USA 110/120-Volt; 60-Hz; power consumption 6- to 70-watts on low/turbo mode.

The dimensions are 21.9-inches tall x 16.5-inches wide x 8.9-inches deep and weighs about 24 pounds.

The unit comes with an extra charcoal filter, a User’s Manual, and a 1-year Warranty.

10. Honeywell® True-HEPA Round Air Purifier

<strong>Honeywell</strong><sup>®</sup><strong> True-HEPA Round Air Purifier</strong> width=
Our Rating: 5 out of 5 stars

The Honeywell® model 50250-S is a round ivory air purifier for larger rooms that covers an area up to 390-square feet and is a best seller on Amazon. The True-HEPA glass fiber filter will remove 99.97% of pollutants in your air so that you will have healthier air to breathe. The particulates are 0.3 microns in size and that is smaller than a human hair. The filter will remove airborne bacteria and viruses including allergens. Dust, pet dander, mold spores, smoke, and asbestos will be captured in the HEPA filter to include other contaminants in the air. Allergists recommend the Honeywell® air purifier to be #1 for allergy and asthma suffers. The filters can be vacuumed to extend the filter life and the HEPA filter should be replaced in 3 to 5 years.

The 3-speeds, 360-degree airflow will be appreciated in an area to cover the entire space at one time. It has cleaning settings with the Intelli-Check Electronic Filter indicator shows you the life remaining in the filter. The replacement filter model 24000 or 3 HRF-F1 is to be used for this unit. The carbon pre-filter replacement is part number 38002 and should be replaced every 3 months contingent on how often you operate the air purifier. After replacing filters, push the reset button on top to start up the air purifier again and the light will go out.

The carbon pre-filter catches the larger particles in the air such as lint, fur, dust, and pollen and odors within the home will be reduced. The unit is AHAM (Association of Home Appliance Manufacturers) and Honeywell® participates in it as well as the Clean Air Delivery Rate (CADR) program.

The CADR ratings for this air purifier are 250 for smoke, 250 for dust, and 250 for pollen. The Honeywell® True-HEPA air purifier circulates the air in the room up to 5 times each hour and that is huge! The higher the number the faster the unit cleans the air. There is no ionizer function with this unit so no ozone.

Air leaks are reduced with the SurroundSeal technology insuring you that the air will pass through the filter. It’s good to use a humidifier with it, since that will add moisture to a dry home running the furnace in the winter and in dry climate areas.

The unit is basic and does not have an automatic shut off feature or timer yet it works very well and can run 24/7. The unit must be placed 3-feet from the wall for good air circulation. The air purifier is portable and can be moved using the handle on top.

Plug the UL listed 6-foot cord into a USA 110/120-Volt outlet; it is 60-Hz, 180-Watts, and 1.5-Amps. Countries outside of the USA having 220/240-Voltage can use a 110-Volt stepdown transformer.

Running the unit low draws 50-Watts, medium 120-Watts, and high 170-Watts at about the cost of a 50- or 150-Watt incandescent light bulb at pennies each month.

The dimensions are 19.6-inches tall x 18-inches in diameter and it weighs about 22 pounds.

The unit comes with all filters, a User’s Manual, and a 5-year Limited Warranty.

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Tips for all Air Purifiers

Locate your air purifier near the outlet and avoid using an extension cord. If you must use an extension cord, make sure it is rated for an appliance with the correct AWG.

Some air purifiers are polarized at the plug meaning it has a blade wider than the other. It fits only one way to avoid shock. Some units have a 2-prong plug and some have 3-prong grounded plug with a rounded end next to the two blades. Do not use an adapter to plug it in. It will not be grounded and a fire could start.

Countries outside of the USA need a 220/240-Volt adapter. Know that 220 is 110-Volts twice—the power used for clothes dryers and electric stoves. If anyone plugs a 110-Volt plug into a 220-Volt outlet, the unit will spark and die. It cannot be fixed.

Refrain from putting heavy things on the air purifier and do not sit or stand on it.

Always turn the air purifier off and disconnect it from the wall outlet when changing filters or cleaning it.

Air purifiers should be placed at least 2-feet from walls, doors, and furniture. Check your User’s Manual because some units need 3-feet of clearance.

Final Thoughts

How to choose the best Air Purifier

We hope the information presented here has been beneficial for helping you understand more about air purifiers. Be healthy and shop wisely!

READ MORE: Air Purifier-FAQs

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