The best air purifiers in 2022 - Tom's Guide

You will know when you've got one of the best air purifiers, because you will actually feel the difference at home. A good air purifier will clear the majority of pollutants from the air quickly and quietly, leaving you breathing fresh, clean air. They're one of those appliances that you can't live without once you try. They can alleviate allergies, just like the best vacuum cleaners, help you sleep better at night and can help deodorize the home too — a useful feature if your kitchen constantly smells after using one of the best air fryers or one of the best instant pots. 

If you treat yourself to one of the best dehumidifiers as well, you will find it can really improve the quality of your air at home. In fact, some air purifiers even claim to protect against COVID-19 coronavirus by filtering any airborne particles which are carrying the virus, according to Consumer Reports. While air purifiers can't catch everything and aren't a replacement for clean, outdoor air, according to the Environmental Protection Agency, they're still a useful addition to the home, particularly if you spend a lot of time indoors. Not sure which to buy? We've rounded up the best air purifiers to help you choose.  

Air purifier sales and deals 

Want to invest in a new air purifier? Check out our air purifier sales and deals page first to grab a bargain. Some of our favorite brands have made an appearance, so it's worth keeping an eye on.   

Meanwhile, Levoit, Coway and other brands unveiled a batch of brand-new air purifiers at CES 2022. Check out our roundup for all the latest models.

What are the best air purifiers?

Our extensive research compared over 30 brands and after assessing the strengths and weaknesses of each, we found the best air purifiers to suit every home.

We recommend the Coway AP-1512 HH Mighty as the best air purifier overall. It's a strong performer considering its price point and offers an abundance of filters including a HEPA filter, prefilter, ionizer and odor filter. It's also quiet in use, which is particularly important if you want to use it at night. 

If you want style as well as substance, then the Blueair Blue Pure 211+ is worth considering. It's available in a range of colors including pink, blue and yellow, so it really makes a statement. This air purifier is powerful, but is admittedly loud, so perhaps not one for the bedroom at night. It doesn't feature a HEPA filter either, but BlueAir claims its filters are just as effective. Consumer Reports also noted that this model was one of the best for catching COVID-19 droplets in the air. 

If you're shopping on a budget, then the Levoit LV-H132 or the Blueair Blue Pure 411 are your best options. Both are affordable, but will make a difference to the quality of your air. IKEA's new Förnuftig air purifier is also worth checking out. Although, you might need to buy more than one to see similar results to our winner. 

The best air purifier you can buy today

The Coway AP-1512HH Air Purifier in white, in a child's bedroom.

(Image credit: Coway)

1. Coway AP-1512 HH Mighty

The best air purifier overall

Specifications

Room size: 361 square feet

Filters: True HEPA + washable prefilter + odor filter + bipolar ion filter

CADR (smoke/dust/pollen): 223 cfm/246 cfm/240 cfm

Speeds: Three

Warranty: Three years

Reasons to buy
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High CADR rating considering its size

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Compact and low-profile design

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Useful eco setting 

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3 year warranty

Reasons to avoid
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Gets noisy when you use the higher speeds

The Coway AP-1512 HH Mighty is consistently ranked among the best air purifiers on the market — and with good reason. It's also one of the quickest to sell out at online and brick-and-mortar stores.

It's reasonably priced for how well it works and it has most of the features we'd want in an air purifier, including a programmable timer, four fan speeds and a filter indicator light. As a result, it's a bit hard to find in stock right now.

Replacement filters are fairly cheap and energy costs relatively low, which makes the Coway one of the least expensive air purifiers of its caliber to maintain year to year. 

Finally, the Coway AP-1512 HH Mighty is easy on the eyes. It comes in sleek black or white and is relatively compact compared with many other purifiers of similar performance, so it simply fades into a corner.  

The Coway Mighty is one of the only purifiers we considered that has an ionizing function. The effectiveness and safety of ion filters is questionable (due to possible ozone production), but you can just turn this function off. We also noticed that the noise rating does get quite loud on the higher settings, up to 53.8dB, which is something to be aware of. 

Blueair Blue Pure 211+

(Image credit: Blueair)

2. Blueair Blue Pure 211+

The most attractive best air purifier

Specifications

Room size: 540 square feet

Filters: HEPASilent filter + washable pre-filter

CADR (smoke/dust/pollen): 350 cfm

Speeds: Three

Noise level: 31–56 dB

Warranty: One year

Reasons to buy
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Exceptional performance on highest speed

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Fun color options

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Will suit larger-sized rooms

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Energy Star certified

Reasons to avoid
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Loud in operation, even on low speed

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More expensive upfront and over time than competing models

The Blue Pure 211+ is highly rated for its solid performance in removing dust, smoke and pollen from room air. 

The Blueair's filters aren't true HEPA-certified, but they are still effective. They work by giving particles an electric charge, which causes those particles to stick to filter fibers.

The Blue 211+ pre-filter comes in five different colors, from eye-popping yellow to low-key gray, so you can customize the look for your space. The machine also has a filter indicator light to let you know when it's time to replace your main filter. 

Possible downsides of the Blue Pure 211+ include more noise on lower speeds compared with similar machines, and relatively high purchase and maintenance costs. For example, it draws more power than the Coway on similar speeds (though it moves more air) and it is a bit louder and more expensive (both upfront and over time). 

Blueair Blue Pure 411

(Image credit: Blueair)

3. Blueair Blue Pure 411

The best air purifier for small spaces

Specifications

Room size: 161 square feet

Filters: HEPASilent filter + washable pre-filter

CADR (smoke/dust/pollen): 105 cfm/120 cfm/120 cfm

Speeds: Three

Noise level: 17– 46 dB

Warranty: One year

Reasons to buy
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Uses less energy than the average LED lightbulb

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Affordable at just $120

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Great for compact spaces

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Very quiet, producing just 46 dB on the highest setting

Reasons to avoid
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Small design with limited reach

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Not ideal for pet owners

The Blue Pure 411 is like the 211+'s much smaller sibling. It uses similar filtering technology and features and comes in a variety of colors. 

Where the Blue Pure 411 stands out is in price and efficiency. The purifier is inexpensive to buy (just over $100) and maintain (around $20 annually for replacement filters), and it uses significantly less energy than most other air purifiers we researched. The machine is also small and quiet, making it a great choice for your bedroom. In addition, it's compact size is ideal for smaller spaces or apartments.

The one thing to keep in mind is that if you plan to move your purifier from room to room, the Blue Pure 411 won't be very effective in larger spaces. Also, this doesn't capture pet dander or fuzz, so not ideal for pet owners. 

Coway Airmega 400

(Image credit: Conway)

4. Coway Airmega 400

The best air purifier for large spaces

Specifications

Room size: 1,560 square feet (maximum)

Filters: Dual true HEPA/carbon filter + washable pre-filter

CADR (smoke/dust/pollen): 350 cfm

Speeds: Four

Noise level: 22–52 dB

Warranty: Five years

Reasons to buy
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High-performing dual filters

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Aesthetically pleasing with two color options

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Great for larger rooms

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Handy pollution sensor

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Super quiet for its size, with a maximum of 52 dB

Reasons to avoid
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Expensive compared to the majority of air purifiers — over $600

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Not ideal for small spaces due to bulky design

Coway's Airmega 400 is a high-performing air purifier at a high price, but reviewers generally agree that the trade-off is worthwhile. The Airmega 400 has a dual carbon + true HEPA filter, which allows it to clean the air in a large space over a short period more effectively than other machines. 

Coway claims the Airmega 400 is good for filtering rooms of up to 1,560 square feet, but you'll likely get better performance in rooms that are half that size. If you put the purifier in a space up to the maximum recommended size, it'll do two or fewer air changes per hour. In addition, it has five fan modes that are super quiet, and a brightly colored LED ring that tells you how dirty your air is.

Bear in mind, due to its size, this may not be suitable for small spaces or rooms. However, the Airmega 400 is large but sleek, and has convenient features like a programmable timer and a display shut-off to minimize disruption during sleep. There's also a "smart" version (the Airmega 400S) that you can integrate with an Alexa device or a mobile app. 

Like its smaller cousin the Coway AP-1512 HH Mighty, the Airemega 400 was out of stock everywhere last time we looked. Hopefully, it will be available again soon.

Austin Air HealthMate HM-400

(Image credit: Austin)

5. Austin Air HealthMate HM-400

The longest-lasting filters

Specifications

Room size: 938 square feet

Filters: True HEPA + large pre-filter + medium pre-filter + carbon filter

CADR (smoke/dust/pollen): N/A

Speeds: Three

Noise level: 39.8–64.5 dB

Warranty: Five years

Reasons to buy
+

Long filter life span

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Effective for odor and chemical sensitivities

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Ideal for pet owners

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Great for allergy sufferers

Reasons to avoid
-

Expensive at over $700 

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Loud at 64.5 dB on the highest setting

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Replacement filters are expensive

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For such a price, it looks like quite a cheap design

The Austin Air Healthmate HM-400's main selling point is its high-performing and long-lasting filters, which handle everything from mold and pet dander to gas and chemical contaminants. 

It isn't CADR-tested, but it gets high marks from reviewers for filtering volatile organic compounds (VOCs) that come from household products such as paints, pesticides and air fresheners better than most other machines on the market. What's more, many users with extreme allergies reported a significant  reduction in their symptoms. 

In addition to being effective, Healthmate HM-400 filters last for up to five years. You can vacuum or clean the pre-filter periodically in that time as well. 

Criticisms of the Healthmate HM-400 include a fairly time-consuming filter-replacement process, which is also expensive. Along with the noisy medium and high fan speeds, the unit doesn't have some basic features (such as a programmable timer or filter indicator light) that you'd expect even at a lower price, and it's fairly power-hungry. 

While the Healthmate HM-400 is pricey, it's a good option if you have particular concerns about chemicals and odors or suffer from extreme allergies.

Honeywell HPA300

(Image credit: Honeywell)

6. Honeywell HPA300

A good value pick among air purifiers

Specifications

Room size: 465 square feet

Filters: True HEPA + disposable pre-filter

CADR (smoke/dust/pollen): 300 cfm/320 cfm/300 cfm

Speeds: Four

Warranty: Five years

Reasons to buy
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Portable and easy to use

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Quiet on low speeds; relatively quiet on high setting

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Durable and well-built

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Effective for allergens

Reasons to avoid
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More expensive than some similar units

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Significant maintenance requirements

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Replacement filters are expensive

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Very large so not ideal for small spaces

Honeywell air purifiers get decent reviews across the board, and the HPA300 is a good unit for a fairly reasonable price. 

It has among the highest CADR ratings for smoke, dust and pollen of the units we recommend, and it can filter slightly larger rooms effectively. It also has four speeds (compared with three on most units), a programmable timer and adjustable control panel lights. Customer with severe allergies have recommended this air purifier, while others have mentioned how quiet it is on higher speeds than some other units.

The HPA300 is built to last and easily portable, so you can move it easily between rooms. Where the Honeywell HPA300 could fall short is in its filter-replacement and maintenance requirements. Both the true HEPA filter and pre-filter are disposable and must be replaced every six to 12 months. The HEPA filter is actually three filters that reviewers said can be tricky to get in the exact right spot, and can be costly.

Levoit LV-H132

(Image credit: Levoit)

7. Levoit LV-H132

The best air purifier for very tight budgets

Specifications

Room size: 129 square feet

Filters: True HEPA + disposable pre-filter + carbon filter

CADR (smoke/dust/pollen): 110 cfm

Speeds: Three

Noise level: 50 dB max

Warranty: Two years

Reasons to buy
+

Decent performance for the price

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Small and portable at 7.9 x 7.9 x 12.6 in

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Great for compact spaces

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Easy to use

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Handy night light with two brightness levels

Reasons to avoid
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Loud for its size at 50dB 

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Minimal features

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Filters need replacing often

The Levoit LV-H132 is an Amazon best-seller and the most budget-friendly purifier on our list. Reviewers said it does a decent job for the price, especially with pet odors. It's also a sleek machine that's lightweight, compact and portable, so you can easily move it around your home. 

At this price, you can't expect bells and whistles — and the Levoit LV-H132 doesn't have any. There is no programmable timer, and the device's filter indicator light reminds you to check your filters but does not tell you when it's time to actually replace them. 

You have to toss all three filters every six months to a year, as the pre-filter isn't washable. But two replacement sets will cost you just $30. 

Reviewers report that the Levoit LV-H132 is fairly loud on higher settings, so sensitive sl...

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