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The 20 Best Air Purifiers

Did you know that indoor air can be more polluted than outdoor air? According to the United States Environmental Protection Agency (EPA), indoor air may be 2-5 times more polluted than outside air.

Indoor air pollutants can cause asthma attacks, itchy eyes, sneezing, and runny nose. According to the American Lung Association, radon and tobacco smoke can cause even more dangerous health effects, including lung cancer.

The good news is that using an air purifier can make your indoor air healthier by filtering out your space’s allergens, odors, and other pollutants. Also, the EPA recommends using an air purifier.

Best For Extra Large Spaces
AirDoctor 5000
AirDoctor 5000
  • Coverage: 868 sq ft 5 times hourly
  • Particle Removal: 99.9% down to 0.003 microns
  • CADR: 560 CFM

Read Full Review

Best For Large Spaces
AirDog X8
AirDog X8
  • Coverage: 800 sq ft 4x hourly
  • Particle Removal: 99.9% down to 0.0146 microns
  • CADR: 470 CFM

Read Full Review

Perfect For Medium Size Spaces
Medify Air MA-40
Medify Air MA-40
  • Coverage: 336 sq ft 5 times hourly
  • Particle Removal: 99.9% down to 0.1 microns
  • CADR: 226 CFM

Read Full Review

Here are 20 of the best air purifiers available today.

The 20 Best Air Purifiers


1. Best For Extra Large Spaces: AirDoctor 5000 Air PurifierAirDoctor 5000 Air Purifier review

AirDoctor 5000 is one of the most powerful yet, at the same time, quietest and most energy-efficient air purifiers on the market.

It can clean the air in large areas – up to 1,000 sq. ft. with 4x/hour air exchange. 

Top Features:

  • Traps 100x smaller particles than True-HEPA filters
  • Air Quality Sensor monitors air quality in real-time
  • A lot of features include night mode and more. 

Consider also AirDoctor 1000, AirDoctor 2000, and AirDoctor 3000 models.


2. Best For Large Spaces: AirDog X8 Air Purifier

AirDog X8 Air Purifier Review

AirDog X8 air purifier is one of the most unique because it doesn’t use HEPA filters which most of the other brands do. Instead, it uses its patented TPA technology, which can trap even smaller particles than any HEPA filter.

And the best part is that filters are washable, so it saves a ton of money on replacement filters.

AirDog X8 cleans spaces up to 800 square feet large with 4x/hour air exchange. 

Top Features:

  • Real-time display
  • Child lock
  • Auto mode
  • 360° circulation

3. Perfect For Medium Size Spaces: Medify Air MA-40 Air Purifier

Medify MA-40 Air Purifier Review

MA-40 is the most popular air purifier from Medify Air, and there is a reason. It has everything you want from an air purifier – power, ease of use, and quality.

Medify Air MA-40 can clean up to 420 sq. ft. large rooms every 15 minutes; it has a clean-looking touchscreen display. You can choose between True-HEPA H13 and H14 filters.

What I like about Medify Air is that you can subscribe for replacement filters and always get them on time and cheaper than buying them separately.

Top Features:

  • Lifetime Warranty
  • Tempered Glass Touch Screen
  • True HEPA H13 or H14 Filter
  • Made in the USA

4. Best Compact Air Purifier: hOmeLabs True HEPA Air Purifier

hOmeLabs True HEPA Air Purifier

One of the best compact air purifiers is hOmelabs True HEPA Air Purifier. It is small, only 8 x 7.8 inches, but it features suitable air purification. It has a modern, attractive design and controls.

If you need clean air in a small room, hOmelabs is a top choice. It can clean rooms up to 100 square feet 4 times per hour.

Top Features:

  • Attractive, compact size
  • Very quiet operation
  • Cool adjustable brightness night light

5. Best Desktop Air purifier: Okaysou Pega 100 for Home Bedroom

Okaysou Pega 100 Air Purifier for Home Bedroom

Okaysou Pega 100 air purifier consumes only 6W, and it is super quiet – 22dB making it perfect for bedrooms. It has a smooth design; it is small in size.

Okaysoue Pega 100 is equipped with a True-HEPA filter to filter harmful particles from the air.

Top Features:

  • Awesome sleep mode
  • Small and Compact
  • Easy one-button control

6. Captures Smallest Particles: AirDoctor 3000 Air Purifier

AirDoctor Pro 3000 air purifier

AirDoctor 3000 entered the market a few years ago. It became a stable top seller among all air purifiers thanks to its unique UltraHEPA filter, which can trap 100% of what standard HEPA filters can 99% of particles in size of 0.003 microns.

So practically, AirDoctor 3000 can trap anything you can and can’t imagine.

It also looks good and has a lot of top-notch features.

Top Features:

  • Smart auto mode using air quality sensor
  • Large and easy-to-use touch control panel
  • Dim mode
  • Timer control
  • Filter change indicators

7. Consumer Reports Most Recommended: Alen BreatheSmart 75i True HEPA Air Purifier

Alen BreatheSmart 75i Air Purifier

Alen BreatheSmart 75i is rated 91 out of 100 points on Consumer Reports making it one of the most recommended air cleaners.

BreatheSmart 75i is suitable to cover up to 1300 square feet of large spaces; it has a sleek modern design, equipped with many of the latest technologies such as filter indicator, auto mode, and more.

Alen BreatheSmart 75i requires low annual maintenance and costs.

Top Features:

  • 6 colors are available for you to choose
  • Energy Star qualified
  • LED color status shows you how dirty or clean the air

8. Best Modern Technologies: Molekule Air Pro Air Purifier

Molekule Air Pro Advantages

If you want an air purifier with all the latest technologies, then Molekule Air Pro is your choice.

It has a smart sensor that shows real-time air particle & chemical levels, and the air purifier automatically adjusts its speed to trap those particles. And you can follow all data with your phone.

Besides the cool features, it also performs excellently by filtering spaces up to 1000 square feet with a powerful Multi-layer PECO-Filter.

Top Features:

  • Smart sensor with real-time data
  • Shows also relative humidity
  • 360-degree air inlet and outlet
  • Attractive design

Read also Molekule compared to Coway and Dyson air purifier reviews.


9. EnviroKlenz Mobile UV Model Air Purifier

EnviroKlenz Mobile UV Model Air Purifier

EnviroKenz air purifier uses patented earth mineral technology which can trap practically everything – gasses, bacteria, viruses, etc.

The downside is the size and look. Maybe, some of you will like it, but it is bulky and heavy, though casters help move it around.

Also, it is pretty loud compared to other air purifiers, but you must sacrifice something for such powerful purification.

Top Features:

  • Destroys even toxic industrial chemicals
  • Large capacity ~ 1000 square feet
  • Best for odors

10. Unique Design: Air Oasis iAdaptAir® HEPA UV Air Purifier

Air Oasis iAdaptAir® HEPA Purifier Review

Air Oasis iAdaptAir® HEPA UV Air Purifier is available in 3 sizes – 250, 550, and 850 sq. ft. option. All 3 versions include an air quality phone app & smart controls.

All sizes are energy efficient, using 8 to 32 watts of power.

Top Features:

  • Third-party lab tested
  • Use intuitive smart controls or apps to control the cleaner
  • True HEPA & Carbon Filtration + Bi-Polar Ionization

11. Smartest Home Air Purifier: Airthereal APH260 Air Purifier

Airthereal APH260 Air Purifier for Home Review

Airthereal APH260 is powerful enough to purify up to 400 sq. ft. large spaces in 20 minutes. Smart air sensors will automatically detect air quality and adjust the fan speed.

Airthereal APH260 air purifier comes with a True-HEPA filter, but you can also get an H13 HEPA filter which will trap particles as small as 0.1 microns.

Top Features:

  • Available anion function
  • Filter change indicator, auto mode, sleep mode, timer, and other smart features
  • Low noise level

12. Best Tower Air Purifier: Alen T500 True HEPA 

Alen T500 Tower Air Purifier with HEPA-Pure Filter for Allergies and Dust

Alen T500’s space-saving design and powerful performance make it a popular air purifier. It can purify spaces up to 500 sq. ft. large. It has 2 color options – black and white.

Alen T500 is not equipped with all the latest features, but it has the most often used ones- a timer and several fan speeds to choose from.

Top Features:

  • It saves space, is lightweight, and is easy to move around
  • Intuitive and easy-to-understand controls
  • 4 various filter options for your individual needs

13. Next generation air filtration: Our Happi Air Purifier

Our Happi Air Purifier

Thanks to Our Happi Air Purifier 5-layer powerful filtration technology, it can trap particles small as 0.03 microns in up to 750 square feet in large spaces 2x per hour. And it has an intelligent air particle sensor, so you don’t need to use any controls – it will automatically detect the quality of the air and adjust fan speeds.

Our Happi Air Purifier has simple 3-button controls, a smart display, and a filter life indicator.

Top Features:

  • The Built-in LED screen also shows humidity level, temperature, and filter life
  • 5-in-1 layer true HEPA H13 filter
  • Auto Mode only uses 35 watts

Check also My Happi Air purifier for smaller spaces such as bedrooms.


14. Smart Technology For Large Rooms: Air Health Skye Portable Air Purifier

Air Health Skye Portable Air Purifier

Air Health Skye is very powerful and capable to clean areas up to 640 square feet large once every 12 minutes or 5 times every hour.

It has 10 fan speeds starting from really low airflow and noise level 22 dB up to superpower, generating 59 dB.

Top Features:

  • Auto mode with active monitoring using built-in 7 sensors
  • Able to control using the phone and Skye app
  • 5 Stage Air Purification System
  • Low power consumption

15. Compatible with Amazon Alexa and Google Home: Coway Airmega 400S

Coway Airmega 400S air purifier

Coway Airmega 400S is the largest air purifier Coway offers, and it is the best-selling Coway air purifier.

It is available in dark graphite and white colors and cleans up 624 square feet of large spaces every 12 minutes. And it cleans airborne contaminants down to 0.01 microns, which is more than HEPA filters can capture.

Coway Airmega 400S is also one of the best to filter odors, smoke, and food smells, thanks to its large activated carbon filter.

Top Features:

  • Wifi and mobile app
  • Smart mode including auto, sleep, and ECO
  • Filter change indicators
  • Real-Time Air Quality Monitoring
  • Voice control

16. For Small Spaces: PureZone 3-in-1 True HEPA Air Purifier

Purezone™ 3-In-1 True HEPA Air Purifier

Pure Enrichment makes many unique air purifiers, such as Breeze and Halo, but the PureZone 3-in-1 model is the most popular.

It can clean 200 square feet of large spaces 5x per hour, so it is better suited in smaller spaces.

Top Features:

  • Air quality sensor
  • Timer 2, 4, or 8hrs
  • Sleep mode

17. Lineup Of Premium Lifestyle: Bissell Air320 Air Purifier

Bissell Air320 Air Purifier

Bissell is well known for its cleaners; not many know they also make air purifiers. And they built good ones.

This Bissell Air320 is made for large rooms – it can clean up to 366 square feet of space every 12 minutes.

It is an industry-standard – powerful fan, pre-filter, HEPA filter, and carbon filter. It is made of quality materials and looks a bit different than most other air purifiers making it stand out.

Top Features:

  • Cord Storage
  • Intuitive Control Dial
  • Energy Star Rated
  • Carry Handle
  • Auto mode

18. Design Gold Award: Afloia Fillo Air Purifier

Afloia Fillo Air Purifier

Afloia usually makes stylish air purifiers for smaller spaces, and the Fillo air purifier is one of them. It even won several design awards.

Despite its small size, it is equipped with 3 filters, including carbon and HEPA making it a good performer with a stylish design.

Top Features:

  • It has a nice screen with touch controls.
  • Night Light
  • Timer
  • Cyan, black, and white colors are available

19. Alen BreatheSmart Customizable Air PurifierAlen BreatheSmart Customizable Air Purifier

Alen calls their product one of the best air purifiers today. And there is a reason. The air purifier has customizable HEPA filters, automatic smart sensors, quiet operation, and a best-in-class warranty and performance. Best for large and open spaces up to 1100 sq ft.

Top Features:

  • Nine color options to personalize your decor today and in the future
  • Powerful and quiet fan
  • There are many great features – air quality monitor, auto mode, timer, etc.
  • Lifetime warranty
  • Lock button
  • Energy star qualified

20. Winix Model P450 True HEPA Air CleanerWinix Model P450 True HEPA Air Cleaner

Captures 99.97% of airborne particles as small as 0.3 microns and more extensive in rooms up to 450 square feet. Uses carbon pre-filter and True-HEPA filter.

Top Features:

  • Modern design, excellent electronic controls
  • A lot of features – air sensor, filter replace indicator, auto mode, remote control
  • Energy star qualified
  • High CADR ratings

21. BONUS. IQAir HealthPro Plus Air Purifier

IQAir HealthPro Plus Air Purifier

IQAir HealthPro Plus air purifier is the world’s most advanced air purifier. It has many #1 product reviews and is one of the best for allergies and asthma. This model is for spaces up to 1125 square feet.

Top Features:

  • Advanced filters system
  • 6 fan speeds
  • Filter change indicator
  • Timer
  • Remote control
  • Carrying handle
  • 5 years warranty
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