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Best air purifier 2019: remove pollution, particles and poor-quality air from your home or office

Best Air Purifiers
(Image credit: Coway)

If you’re looking for the best air purifier for your home or office that you can buy, you’ve come to the right place. We’ve tested all the top models – at a range of different prices – to help you find the best air purifier for your budget.

We spend a lot of our time indoors. But the air inside might not be as clean as you think. Allergens and dirt can cause health problems, with typical indoor pollutants including pollen, dust, mold or fungi spores, bacteria, cigarette smoke, fumes from cleaning products, and volatile organic compounds (VOCs) from things like your carpet, furniture or paint.  

A good air purifier will quickly clean your air, removing harmful pollutants and increasing the overall pleasantness of your environment. Whether you’re looking for an air purifier for allergies or smoke, you have pets, or you live in an area with polluted outdoor air – or, indeed, for any other reason – we’ve got you covered in this guide.  

What’s the best air purifier?

We think the best air purifier you can buy right now is the Coway AP1512HH. It uses a four-stage filtration process to effectively and efficiently clean your air – plus it’s portable, quiet and one of the cheaper models to run too. The right air purifier for you, though, will depend on why you want it, and the size of the room you need to purify. 

Check the room coverage stats and filter type before investing in a model. Ideally, you want a True HEPA Filter: these capture 99.97% of all allergens, virus particles, pollen, mold and fungi particles down to 0.3 microns. A carbon filter will reduce odors, smoke and chemical vapors – great for open-plan kitchen/diners, or rooms with log burners – while an ionizer will help suck in the tiniest pollutant particles. 

Finally, the best air purifiers for allergies – or if you have pets in your home – will be good at removing pet dander (flecks of skin shed by cats, dogs, rodents, birds and other animals with fur or feathers). Here's our pick of the best air purifiers you can buy right now.

The best air purifiers for your home or office

 best air purifier: Coway AP1512HH

(Image credit: Amazon)

1. Coway AP1512HH

The best air purifier that you can buy right now


Filters: 4 - pre-filter, odor filter, True HEPA filter, Vital Ion | Ionizer: Y | Auto mode: Y | Max power use: 79W | Noise: 58.3 dB | Warranty: 3 years | CADR: pollen - 240, dust - 246, smoke - 232 | Coverage (sq ft): 360

Reasons to Buy
Lightweight and portable
Energy efficient
Automatic filter controls
Reasons to Avoid
No sleep mode
Shorter warranty than competition
Air filtering could be a little better

The Coway AP1512HH is an excellent all-round air purifier, delivering fresh, clean air, while remaining portable – and it's competitively priced too. It has an effective four-stage filtration process, with a washable pre-filter for large particles, and a carbon filter that catches odors. There's also a HEPA filter to suck in tiny particles like cigarette smoke and pollen, while the final fourth stage is an optional ionizer. 

The Coway AP1512HH is quiet, producing just 58dB of sound. It comes with an auto mode that automatically detects the quality of the surrounding air and operates accordingly, plus it boasts an Energy Star certification, meaning it's energy efficient. The AP1512HH also comes with a decent (if not generous) three-year warranty and weighs just 15 pounds, making it highly portable..

This combination of effective purification, portability and energy efficiency, along with a very affordable price, makes the Coway AP1512HH one of the best air purifiers you can buy – whatever your reason for wanting one.

best air purifier: Honeywell HPA300

(Image credit: Amazon)

2. Honeywell HPA300

A great value air purifier with very good filtering capabilites


Filters: 2 - pre-filter, HEPA filter | Ionizer: N | Auto mode: N | Max power use: 127W | Noise: 63 dB | Warranty: 5 years | CADR: pollen removal - 300, dust - 320, smoke - 300 | Coverage (sq ft): 465

Reasons to Buy
Excellent filter effectiveness
Five-year warranty
Simple design
Reasons to Avoid
No timer, sleep mode or remote
No ionizer

When it comes to value for money, we consider the Honeywell HPA300 to be the best air purifier right now. Despite retailing for less than many rival systems, the HPA300 delivered an impressive Clean Air Delivery Rate (CADR) in our tests. The Honeywell HPA300 is also effective in rooms up to 465 square feet, circulating the air once every 12 minutes (which is five times every hour). It was the second most powerful air cleaner we tested.

As you would expect, this air purifier’s low price does mean that it isn't as feature-packed as other units. (For example, it doesn't have an auto mode, shut-off timer or remote control.) However, if you want good core functionality and a generous five-year warranty at a very competitive price, then the Honeywell HPA300 is one of the best air purifiers out there.

best air purifier: Whirlpool Whispure

(Image credit: Amazon)

3. Whirlpool Whispure

The best air purifier at filtering pollutants – but it's heavy than others


Filters: 2 - carbon filter, True HEPA filter | Ionizer: N | Auto mode: N | Max power use: 102W | Noise: 55.1 dB | Warranty: 5 years | CADR: pollen removal - 401, dust - 325, smoke - 316 | Coverage (sq ft): 490

Reasons to Buy
Exceptionally effective filter
Quieter than competition
Five-year warranty
Reasons to Avoid
No automatic filter controls
Not as energy efficient as top pick
Heavier than other models we tested

If you’re looking for a filtration powerhouse capable of handling even large rooms with ease, the Whirlpool Whispure AP51030K is one of the best air purifiers you can buy. (And, when we say large, we mean large: the AP51030K can handle rooms up to 490 square feet in size.)

The Whispure’s Clean Air Delivery Rate (CADR) is the highest of any air purifier we’ve tested here at TopTenReviews, meaning that it removes smoke, dust, pollen and more from indoor air with ease. If air quality is the sole aspect you're interested, we'd strongly recommend this model.

It isn't light, weighing in at 20 pounds – so it's less portable than the other options on this list. But if you think that means lots of noise, think again. As we discovered, the WAP51030K only produces 55 decibels (dB) of noise on its highest setting. It's an excellent choice of air purifier.

best air purifier: Rabbit Air MinusA2

(Image credit: Amazon)

4. Rabbit Air MinusA2

The most efficient air purifier we tested


Filters: 6 - including pre filter, True HEPA filter, carbon and pet filters | Ionizer: Y | Auto mode: Y | Max power use: 62W | Noise: 57.3 dB | Warranty: 5 years | CADR: pollen removal - 208, dust - 200, smoke - 193 | Coverage (sq ft): 299

Reasons to Buy
Very energy efficient
Handy change filter indicator
Great for houses with pets
Reasons to Avoid

The Rabbit Air MinusA2 is the most efficient air purifier we looked at, it only uses are 62 watts while running. It also has a unique aesthetic that makes it more attractive than the competition. The low energy consumption of the MinusA2 means it won't affect your electricity bill too much. However, this unit's mobile app controls make it an expensive product at nearly $600. 

There are six cleaning stages that clean air in rooms up to 300 square feet, which is lower than average, but sufficient for most rooms in a home. The filters aren't as effective as with more affordable units, which is disappointing. A built-in air quality sensor means this unit works automatically and informs you when the filters need to be replaced. 

You can mount this air purifier on the wall, which is unique among the products we reviewed. Furthermore, Rabbit Air lets you choose from a variety of artwork for the front panel, effectively turning the unit into a decoration that doesn't detract from your home's décor. It's more expensive, but this is one of the best air purifiers out there.

best air purifier

(Image credit: Kenmore)

5. Kenmore 83396

Another very good air purifier at a lower price


Filters: 2 - pre filter, HEPA filter | Quiet mode: N | Ionizer: Y | Auto mode: N | Max power use: 101W | Noise: 62.4 dB | Warranty: 1 year | CADR: pollen removal - 251, dust - 229, smoke - 205 | Smoke removal: 205 | Coverage (sq ft): 318

Reasons to Buy
Good for smaller rooms
Reasons to Avoid
Less effective filtering than some

The Kenmore 83396 doesn't have the same filtering performance as larger air purifiers, but it's an excellent and affordable option for rooms up to 318 square feet. It has lower CADR scores and a lower number of air changes per hour than most of the other air purifiers we reviewed, though you can offset these deficiencies by using the unit in smaller rooms. 

The Kenmore 83396 only weighs 17 pounds, making it one of the lightest and most portable air purifiers that we reviewed. This means you can move it between rooms without much trouble. Although it's not particularly efficient compared to the competition, this unit does have an Energy Star certification, which makes it better than many cheaper units on the market. There are only basic timer settings, which means you don't get sleep or automatic modes, but this simplicity helps make the unit easier to use. The one-year warranty is disappointing compared to the five-year warranties we found on most of the units we reviewed.

How to buy the right air purifier for you

When buying an air purifier the most important question you need to ask yourself is what exactly do you want the system to do? Specific air purifiers, often because of how they have been designed, are expert at certain types of purification, while others have a focus on cleaning specific room sizes.

For example, if you have pets in your home and have one or more family members who suffer from allergies, then you should probably be looking for an air purifier that scores well in the removal of pet dander (flecks of skin shed by cats, dogs, rodents, birds and other animals with fur or feathers).

Equally, if you’re looking to outfit an open-plan kitchen-diner apartment then you should be looking for a different air purifier than if you are trying to clean the air in a house bedroom - after all, you’re going to want to consider smoke in the former far more than in the latter.

Obviously, price and portability are also factors to consider. Here at TopTenReviews we think you should be ideally looking to spend a couple hundred dollars on an air purifier if you can, however that doesn’t mean you should discredit models that are cheaper or more expensive, either. Evaluate what you need and what you can spend, do your research, browse the best air purifiers going, and then pull the trigger - by following this course we’re confident you’ll find the perfect air purifier for you.

What are the best air purifier makers?

Naturally, the maker of our all round best air purifier, Coway, makes the list of top makers. However, there are plenty of other great air purifier brands in business today, including: Whirlpool, Honeywell, Winix, Philips, Rabbit, and Dyson. These air purifier makers have proper pedigree and heritage, as well as a track record of reliability and quality in terms of product testing here at TopTenReviews.

ProductPriceOverall RatingCleaning Capabilities & ModesConvenienceEnergy & CertificationsNumber of Cleaning StagesSleep/Quiet ModeIonizerAuto ModeMaximum Power Use (watts)CertificationsEstimated Annual Electrical CostRemote ControlNoise Level (Highest Speed)Timer & SchedulerWeightWarrantyPollen Removal CADRDust Removal CADRAdjusted Area Coverage (square feet)Smoke Removal CADRAir Changes per Hour
Coway AP1512HHView Deal4.5/ Star, CARB$27.6858.3 dB15.41 lbs3 Years2402463602324.03
Whirlpool WhispureView Deal4.5/ Star, CARB$35.7455.1 dB19.6 lbs5 Years4013254903164.80
Idylis AC-2118View Deal4.5/599.692131Energy Star, CARB$45.9060.6 dB18.58 lbs5 Years3003004653004.10
Honeywell HPA300View Deal4.5/ Star, CARB$44.5063 dB16.8 lbs5 Years3003204653005.00
Winix U450View Deal4.5/ On110Energy Star, CARB$38.5465.1 dB19.4 lbs5 Years3432984512914.35
RabbitAir MinusA2View Deal4.5/58.889.96Optional62Energy Star, CARB$21.7257.3 dB19.4 lbs5 Years2082002991933.27
Kenmore 83396View Deal4.5/ Star, CARB$35.3962.4 dB17 lbs1 Year2512293182053.23
Vornado AC 550View Deal4/58.17.862145*$50.8169 dB14.95 lbs5 Years2452183182053.21

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