The 8 Best Air Purifiers, According to Our Tests

Air purifiers are more than just fans and filters. They are designed and used to clean the air and protect us from many airborne diseases, allergies, and pollens. They also eliminate viruses, bacteria, and smoke, making the environment healthier.

How We Selected

In our lab, we have tested more than 60 air purifiers in more than 7 years, and today, we are going to give you the Top 8 Best Air Purifiers in 2024. We have covered every single aspect that would affect your home’s air quality. Our choices are the best to improve the air quality of larger spaces and the ones that don’t make a sound in the room while you are sleeping. 

We also make sure these things are inexpensive and can be used in every home without kicking their vault. With being inexpensive, we also make sure they have all the qualities to give the best performance. What about your preference for looks? Don’t worry. We also considered this while listing the Top 8 Best Air Purifiers in 2024.

The Best Air Purifiers

Types Of Air Purifiers

There are three main types of air purifiers in the market.

  • Electronic Air Purifiers
  • Filtering Air Purifiers
  • Ozone-generating Air Purifiers

Filtering air cleaners (Recommended)

You can guess by the name. These air purifiers work by passing air through a filter where pollutants are trapped. Carbon filters and HEPA filters are among the best and most trusted air purifier filters.

Electronic air cleaners (Not Recommended)

These can include ionizers and UV light to improve the air quality of your house. Electrical fields trap airborne particles, passing contaminated air through a chain of charged plates or meshes. However, they could be more effective at removing gases and odors.

Ozone-generating air cleaners (Not Recommended)

These air purifiers release ozone gas while cleaning the air through chemical interactions. This process changes the compounds of pollutants but can cause other harmful chemical reactions.

What To Look For In An Air Purifier?

HEPA Filter

High-efficiency particulate Air (HEPA) filters can capture 99.97% of particles that are 0.3 microns in diameter. It helps it catch most allergens, virus particles, and pollutants. Since they catch particles, they get dirty with time, so it is recommended that they be replaced after 6 months.

Size Compatibility

It’s important to choose what air purifier size you should have. For example, a smaller one can exchange the air in a 500-square-foot room twice per hour. That model should be able to pass all of the air in a 250-square-foot room through the filter every 15 minutes, but a 1,000-square-foot room would be outside its effective range. These are not the standards, but they provide an overview of how you should pick an air purifier according to your needs.

Smart Features

These allow you to control the air purifier remotely via a smartphone app and can provide real-time air quality monitoring. In our testing, we focused on “smart” air purifiers with companion apps that help you remotely control and monitor the air quality of your home. You can control auto-clean settings and set timers and schedules. With that, you can receive a reminder message for filter replacement.

Design

With position, the design of an air purifier is also important as putting the device as close to the middle of the room is helpful for getting the best performance. Most purifiers are cylindrical towers with fan vents up top. The weight for larger rooms is not small units, which are between 12 and 20 pounds. We have listed the best air purifiers according to all the necessary things, including perfect designs.

The 8 Best Air Purifiers, According to Our Tests

Here is the list of The 8 best air purifiers that we have complied after testing more than 60 air purifiers in 7 years:

Coway Airmega AP-1512HH Mighty

The best air purifier in 2024 is Coway Airmega AP-1512HH Mighty. This air purifier has been tested in many laboratories and has been proven to be the best for eliminating heavy smoke particles. Who doesn’t know that New York City has lots of air pollution in the air? Coway Airmega AP-1512HH Mighty has been tested in New York City offices and showed incredible results, as it eliminated 99.6% of air pollution from the air. If we look at the multiple test spaces set in New York City, this is the best air purifier to have at your home and offices.

Best Overall
Coway Airmega AP-1512HH Mighty

Coway Airmega AP-1512HH Mighty

Specifications:

  • Filtration System: Four-stage filtration
  • Room Coverage: 361 sq. ft.
  • Noise Level: 24 dB
  • Features: Variety of fan settings, auto mode, timer feature
  • Dimensions: 9.6 x 16.8 x 18.3 in.

Perfect for bedrooms and living rooms. This air purifier is among the highest-performing, most durable, and most economical models we’ve tested.

Pros
  • Automatic shut-off after 30 minutes without air pollutants
  • Proven effectiveness in heavy smoke and polluted environments
  • Long-lasting filter life with over two years of continuous use
  • Display-light shutoff enhances the sleep environment
  • Three-speed modes
Cons
  • Requires regular maintenance to maintain peak efficiency

In our research, we have pushed the limits of these air purifiers. The average running time for this air purifier is 1 year, but we have 24/7 used the filters of this air purifier for more than 2 years, and it never held back but gave the same performance as it was new. This best air purifier for viruses and bacteria is also quiet and doesn’t make much sound, so it’s also the best air purifier for bedroom. It has a display-light shutoff, which makes it best for bedrooms or living rooms. Above all, it is inexpensive and can be used in every home.

Coway Airmega 200M

The runner-up, according to our test, is Coway Airmega 200M. This air purifier is also somewhat similar to Coway’s Airmega AP-1512HH Mighty, and that’s also the reason why it is on our list. Like the other, this one also has low noise and high performance. The filters in this small air purifier are interchangeable, and just like Coway’s Airmega Mighty, this one also allows you to allow you to shut off the display lights.

Best Activated-Carbon Air Purifier
Coway Airmega 200M

Coway Airmega 200M

Specifications:

  • Filtration System:GreenHEPA™ filtration system
  • Room Coverage: 361 sq. ft.
  • Noise Level: 24 dB
  • Features: Variety of fan settings, auto mode, timer feature, display-light shutoff
  • Dimensions: 9.6 x 16.8 x 18.3 in.

Virtually identical to Coway Airmega AP-1512HH Mighty on features and performance. This air purifier is also a great choice if you prefer its looks or find it at an affordable price.

Pros
  • Washable filters
  • Low noise operation
  • Display-light shutoff
  • Stylish square grille
  • Great performance
Cons
  • Similar performance to other models
  • Requires regular maintenance

This air purifiers with washable filters has a square grille, and that is the only significant difference between it and the winner of our list. If you are conscious about look and want quality and friendly price at the same time, then we recommend this air purifier.

Winix 5500-2

Winix 5500-2 is one of the most powerful air purifiers for large rooms. We did a 30-minute test, and it captured 99.9% of smoke particles from the air. By looking at the energy consumption manual display-shutoff feature and smaller visual footprint, we would prefer you to have Coway Airmega AP-1512HH Mighty. Still, with a suitable price tag, this air purifier is also great for you.

Also great
Winix 5500-2

Winix 5500-2

Specifications:

  • Filtration System:AOCTM Carbon Filter
  • Room Coverage: 360 sq. ft.
  • Noise Level: 27.8 dB
  • Features: Energy consumption meter, manual display-shutoff, various operational modes
  • Dimensions: 7.8 x 23.6 x 14.9 in.

This air purifier is good and works well at home. Its shortcomings include slightly higher electrical use, a stark look, and no display shutoff.

Pros
  • Brutalist design, Strong performance
  • A high capture rate of 99.9% for smoke particles
  • Energy efficient
  • Manual display-shutoff feature
  • Effective performance at a competitive price
Cons
  • It lacks some features found in other similar models
  • Design variations might not appeal to all users

This air purifier is identical to 5300-2 and C535 but lacks some 5500-2 features, but they work well with the available price tag. Not just this, we have also had tests on other Winix air purifiers like AM80 and Wi-Fi–enabled AM90, but all of them have given similar but string results. The only significant difference we could stop between them is their looks.

Blueair Blue Pure 311i Max

Blueair Blue Pure 311i Max provides excellent air purifying performance in our tests. Its quiet performance, energy efficiency, space pick, and display shutoff have fulfilled the standards of our test researchers. What makes it so good to be on our list? Its less dense filter, lower electricity consumption, and noise output are also convincing. But this is not it!

Best Dust & Mold Smoke
Blueair Blue Pure 311i Max

Blueair Blue Pure 311i Max

Specifications:

  • Filtration System:Advanced multi-stage filtration with less dense filters
  • Room Coverage: 929 sq. ft.
  • Noise Level: 23 dB
  • Features: Energy consumption monitoring, app connectivity for remote adjustments, display shutoff, tweed-like design with washable covers
  • Dimensions: 12.5″D x 12.5″W x 21″H

This air purifier has good color options and performs well with quiet operation, making it perfect for our picks. However, the cost of filter replacements can run relatively high.

Pros
  • Excellent air purifying performance
  • Quiet operation
  • Energy efficient
  • Remote adjustability via the Blueair app
  • Attractive design with color options
Cons
  • Frequent and costly filter replacements are required.

A re-engineered motor (versus its predecessor, the 311 Auto) and more open outlet grille account are the main reasons why it is so robust and reliable to be on our list. You can check the air quality of your house with the Blueair app, and according to the data, you can adjust your air purifier settings remotely. The tweed-like design makes this air purifier so attractive. You will also find different colors of washable covers for these air purifiers. One con of this air purifier is that its company recommends replacing its filter every six to nine months. The filter replacement of this air purifier is higher than the cost of its similar air purifiers.

Levoit’s Vital 200S

Levoit’s Vital 200S matched the performance to Coway Airmega AP-1512HH Mighty, number one on our list. These two air purifiers have similar energy efficiency and noise output. You can shut down the display with the same fan setting you want. Like other tests in New York City, this air purifier has also shown its performance by working efficiently in our year-long test.

Best for Pets
Levoit’s Vital 200S

Levoit’s Vital 200S

Specifications:

  • Filtration System:Premium 3-stage filtration
  • Room Coverage: 1800 Square Feet
  • Noise Level: 24-54dB
  • Features: Display shutoff, customizable fan settings
  • Dimensions: 15.6″D x 8.5″W x 19.8″H

Similar in performance to other best air purifiers in our list, the Levoit has proven itself in initial and long-term testing.

Pros
  • Inlet for pet hair
  • Different fan speeds
  • Energy efficient
  • Low noise output
  • Display shutoff with customizable fan settings
Cons
  • Requires maintenance consistent with high-performance units
  • Large footprint

Blueair Blue Pure 211i Max

Blueair Blue Pure 211i Max is one of the best air purifiers for large rooms. It can cover 500 square feet of area while performing best in our tests. Even with its medium settings, it can reduce smoking by more than 99.9%. It is much quieter than you would expect, and its energy efficiency makes it even better than many other air purifiers. If you have an air purifier in your room and want to sleep, you can shut off the display while it runs perfectly. There is also a child lock installed in it.

Best for Pets Allergies, Virus, Dust Mold
Blueair Blue Pure 211i Max

Blueair Blue Pure 211i Max

Specifications:

  • Filtration System:Multi-stage filtration capable of capturing PM1, PM2.5, and PM10
  • Room Coverage: 635 Square Feet
  • Noise Level: 23dB
  • Features: Quality sensor, app connectivity, display shutoff, child lock
  • Dimensions: 14.4″D x 14.4″W x 22.7″H

The Blue Pure 211i Max had its position on our list because of its powerful performance, energy efficiency, quiet operation, and user-friendly features.

Pros
  • Effective in large rooms up to 500 sq ft
  • Reduces smoke by more than 99.9%
  • Quiet operation
  • Energy efficient
  • Display shutoff and child lock for added safety
Cons
  • Premium pricing, although less expensive than other models with similar capabilities

Its quality sensor can read the air pollution level of your room at the most minor level, like 1, 2.5, and 10 microns. This, also known as PM1, PM2.5, and PM10, means you can detect smoke, dust, and pollen in your room. You can connect your device to an app to monitor and change settings remotely. These air purifiers are priced according to the space you want them for. This whole room air purifier gives you the best performance with at least $100 less than our other picks.

Clorox Medium Room

Clorox Medium Room is the best air purifier for small rooms of 200 square feet or less. They are inexpensive and have features you will only find in expensive air purifiers. In our tests, it performed well in removing airborne particles. Smaller air purifiers do not work well and are less energy efficient, but that’s not the case for Clorox Medium Room. With lower long-term running costs, this small air purifier works well.

Best for Viruses, Wildfire Smoke
Clorox Medium Room

Clorox Medium Room

Specifications:

  • Filtration System:3-STAGE 360° FILTER
  • Room Coverage: Up to 200 sq. ft.
  • Noise Level: 23dB
  • Features: Alexa connectivity, display shutoff, child lock
  • Dimensions: 8.74″D x 8.74″W x 14.65″H

This air purifier is best used in a bedroom, dorm room, nursery, or office. It is cost-friendly and has excellent efficiency, making it an acceptable option.

Pros
  • Ideal for small rooms up to 200 sq ft
  • Cost-effective with advanced features
  • High energy efficiency
  • Alexa voice operation for ease of use
  • Display shutoff and child lock for safety
Cons
  • Not suitable for larger room coverage

The voice operation in this air purifier is connected to Alexa, making it easier to control. Don’t forget about its display shutoff and child lock control, as these features make it best to use at nurseries and playrooms. Despite its name, this is the best air purifier for small rooms and needs to catch up with its pace in large rooms.

Kenmore Smart 2300e

Kenmore Smart 2300e is one of the best air purifiers for large rooms. We have tested this air purifier on many occasions. According to our test, it can purify the air quality in our room at high speed in just  2.5 minutes, and at lower speed, it can purify in 6.25 minutes. Like Coway Airmega AP-1512HH Mighty and other air purifiers, it is also energy efficient and makes a noise of only 50.6 decibels at its highest setting, making it the best air purifier for large rooms.

Best Budget Air Purifiers
Kenmore Smart 2300e

Kenmore Smart 2300e

Specifications:

  • Filtration System:3-Stage HEPA Filtration System
  • Room Coverage: 2,300 sq. ft.
  • Noise Level: 24dB
  • Features: Color-coded air quality display, app connectivity for remote management, filter replacement indicator
  • Dimensions: 14.17″L x 7.08″W x 1.38″Th

Perfect for large living rooms or apartments, it quickly purifies air and maintains a quiet presence. With a real-time air quality display, it’s an excellent choice.

Pros
  • Rapid air purification (2.5 mins on high, 6.25 mins on low)
  • Suitable for large areas up to 2,300 sq ft
  • Energy efficient
  • App connectivity for remote control
Cons
  • It may be overpowered for smaller spaces
  • Higher noise level compared to some competitors

It takes only 2,300 square feet of space. A color-coded display in this air purifier shows the room’s real-time air quality. You can connect this air purifier to the app and remotely monitor and adjust your settings. You can even have a look when you need filter replacement. This air purifier is best for you if you have a large living room or an apartment.

Frequently Asked Questions

Look for a number called CADR that tells you how fast the purifier cleans the air from smoke, dust, and pollen. You can check what kind of filters it uses, how big of a space it can clean, how much energy it uses, how loud it is, and if it has extra features like timers or air quality monitors.

Air purifiers can clean the air by removing smoke, dust, pollen, and pet hair. This can help if you have allergies or asthma. They also help trap germs and viruses in the air.

It depends on your air purifier and how dirty the air is. Usually, change HEPA filters every 6-12 months and carbon filters every 3 months. Always check what the maker of your purifier recommends.

The cost of running an air purifier varies. It depends on the model, how much you use it, and how much power it uses. Many new air purifiers use little energy. Look for models with an Energy Star rating to save on electricity.

The amount of noise an air purifier makes depends on the model. They can be reticent or make a moderate noise. Many have a quiet mode for use while sleeping.

Put air purifiers in the rooms you spend most of your time in, like bedrooms or living rooms. Keep them away from walls and furniture so air can flow freely. It’s best to place them in the middle of the room or where there is open space.

Yes, air purifiers with activated carbon filters are good at eliminating smells from cooking, pets, smoke, and chemicals.

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