people's choice

The Best Air Purifiers on Amazon, According to Hyperenthusiastic Reviewers

Photo: Courtesy of the retailer

Here at the Strategist, we like to think of ourselves as crazy (in the good way) about the stuff we buy, but as much as we’d like to, we can’t try everything. Which is why we have People’s Choice, in which we find the best-reviewed (that’s four-to-five-star reviews and lots of ‘em) products and single out the most convincing. While we’ve written about homeopathic allergy cures and excellent (but expensive) air purifiers before, we’ve gone deep here on the best air purifiers you can find on Amazon. (Note that reviews have been edited for length and clarity.)

Best three-in-one air purifiers

GermGuardian AC4825 3-in-1 Air Purifier
$75 at Amazon

“Although I dust and vacuum fairly often, I noticed I still had issues with my asthma when spending periods of time in my room. It wasn’t until nursing school when I started to learn about HEPA filters for hospitals that I realized proper filtration could be a game changer for my symptoms. I’ve had this air purifier for about five months now, and I would buy one for every room in my house if they were a little less expensive. My symptoms aren’t nonexistent, but they’ve definitely improved and that’s all I could ask for. This particular filter that I’ve just replaced is completely coated with a thick layer of dust bunnies (and goodness knows what else) after only a few months of use. My symptoms make total sense now that I see how much stuff gets left behind when cleaning.”

Pure Enrichment PureZone 3-in-1 True HEPA Air Purifier
$100 at Amazon

“Very attractive and functional piece of hardware. You can tell this is a quality piece right out of the box just by the decent weight of the product. It is not cheaply made. Got that luxury look to it; with touch-sensitive buttons, smooth top grill, and white all-around finish. Got it up and running in one minute and I can tell it’s working by the fan blowing air up top and the sucking of air into the two sides and bottom slits. A true plus is the three-in-one filter, which makes it super easy to replace. This is an excellent unit and I would highly recommend it for any bedroom or small area!”

Best 360-degree air purifier

Honeywell 50250-S True HEPA Air Purifier
$150 at Amazon

“We’ve had this running day and night for three years and it’s in great condition. There are no strange rattling noises or clogs like you see in some other air purifiers. It provides a nice ambient noise and isn’t too loud (on the lowest setting). We have noticed a significant decrease in our allergies and in the dust in our home. Replacing the prefilters every three months is a breeze — you just unscrew the bottom, unwrap the old one, and wrap the new one onto the HEPA filter.”

Best air purifier with a reusable filter

Hamilton Beach TrueAir Allergen-Reducing Ultra Quiet Air Cleaner Purifier
$60 at Amazon

“My family was suffering from seasonal allergies, and within five minutes of running this purifier, their noses cleared up. It was amazing how quickly this little machine purified the air. This is definitely a great buy. It’s a small machine, but it really works, even in large spaces. We put it in the open hallway of our home, and it purified the entire house in a day. I love the cleanable filter as well.”

Best air purifier with a nightlight

Levoit Purifier With True HEPA Filter
$90 at Amazon

“After having used this for a few months, I can confidently say how great this air purifier is. With the recent wildfires, the air quality in Oregon has been very unhealthy and at times hazardous. Combined with the heat, we have no choice but to leave our windows open or the air conditioner running. We also have hardwood floors, so the dust, dander, and pet hair get kicked up very easily. This air purifier has made a world of difference! No smoke smell in the room it’s ran in, and I don’t have to worry as much about my son constantly breathing in the smog.”

Best desktop air purifier

Holmes HEPA Type Desktop Air Purifier
$39 at Amazon

“Exactly what I was hoping for. Fairly quiet and the air-cleaning was noticeable within the first hour of running it. I bought this for my office, but I’m not sure my wife will let it out of the house after the first 24-hour test at home. Our living room is nearly 300 square feet, and the air was noticeably much better there. I am certain it will be fine in my 200-square-foot office, which also exceeds the maximum recommended room size. On low, the noise is no more than some older computer towers. Medium is an okay white noise, but a bit distracting when trying to watch TV at a low volume.”

Best portable air purifiers

GermGuardian AC4100 3-in-1 Air Purifier With HEPA Filter
$53 at Amazon

“I generally keep my windows closed, but on cooler nights, I like to leave them open, especially in my bedroom. During the summer, I often use the AC, so pollen in my bedroom isn’t a major concern compared to household dust. I am happy to report that this wonderful device combats both with ease. I placed this thing on my desk, turned on the UV light, set it on medium fan speed, closed my door and left for a few hours. When I came back, my room smelled fresh and clean. The air felt lighter and easier to breathe. I was amazed. The difference this thing makes, as an allergy sufferer, is night and day. I get better sleep at night and am less congested during the day. That, right there, makes this purchase totally worth it for me.”

Blueair Blue Pure 411 3-Stage Air Purifier
$85 at Amazon

“This is a very well designed unit. I just love how this unit looks — it fits in very well with my furniture. This air purifier is so light that my wife can easily take it with her around our apartment. It also does its job very well and eliminated my wife’s dust-mite allergy issue. Definitely recommend if you are looking at a cheaper yet powerful unit that you can easily move around the apartment.”

Best large-area air purifiers

Fellowes AeraMax 300 Large Room Air Purifier
$199 at Amazon

“I rarely write reviews. But for this purchase — one of the best decisions of my life — I simply can’t keep quiet. I’ve owned many filters previously, and could never tell the difference in air with or without them. They were noisy and some smelled of plastic. But this AeraMax 300 completely exceeded my expectations! It is soooo good that I immediately purchased another one. Now I have two, one in the bedroom, and another one in the living room. Both on at all times. Very quiet. Even when I manually boost them to max, they are not as noisy as many other brands. I just love them!”

Rabbit Air BioGS 2.0 Ultra Quiet HEPA Air Purifier
$400 at Amazon

“Wow, for once something actually works as it is described to do! Unbelievable how amazing this purifier is! From just minutes of turning it on auto mode, it was already starting to freshen up my room. The pet smells were gone almost immediately! I have parakeets, a dove, and two cockatiels, as well as two cats, and this is already making a massive difference in my room. I am so loving it! So glad I took the jump and spent the money on this product, it really is worth it when you think about the filters lasting for so many years, and easy to clean. At the rate that it works, it is well worth the money.”

Best air purifier for open-plan kitchens

Honeywell True HEPA Allergen Remover
$198 at Amazon

“We purchased two of these for a larger area (open-concept kitchen/dining/living room). We also have two cats and a golden Lab, and my wife has allergies. Noise level is a huge issue for me, as I work around fans and equipment all day long. We’ve had them running for two months now and we love them. With the pets, a lot of grandkids that visit, semi-rural property, and wood-stove heat, we have a lot of dust, pollen, and animal hair. When you purchase a filter pack, it comes with four prefilters and three HEPA filters (the unit requires three individual filters). Based on what I see so far, I think we’ll probably get two months for the prefilters and nine months for the HEPA filters. I consider that pretty darned good.”

Best air purifier that will last a decade

Honeywell HFD-120-Q QuietClean Tower Air Purifier
$136 at Amazon

“I don’t often write reviews, but I had to for this product. I purchased this air purifier nine years ago to help with an apartment that just seemed to create dust out of thin air. It helped immensely. Since then, it has survived a multitude of bumpy moves with me, including a road trip across the country. I even had it in storage for a good year-and-a-half, and when I decided to clean it and plug it back in, it still works like the first day I bought it. I can’t think of anything I’ve ever purchased that’s lasted me this long and worked so well.”

Best-looking air purifier

Coway AP-1512HH Mighty Air Purifier
$184 at Amazon

“Excellent air purifier for our living room. Love the colored air-quality indicator and the auto feature, so it kicks on when something is detected in the air, but is in standby the rest of the time (there are also several continuous settings). It’s aesthetically pleasing as far as air purifiers go. I scoured reviews online before purchasing and am very happy I settled on this one.”

Best plug-in air purifiers

Plixio Portable Odor Eliminating Plug-In Ionic Air Purifier
$30 at Amazon

“This little thing is mighty! I just plug it into an open, uncovered outlet and turn it on. Depending on the size of the room, the odor is gone within minutes. I moved into an apartment and the last tenant was a smoker, so the front closet smelt like cigarettes. I tried every deodorizer and air freshener under the sun. Then, I bought this little thing. I opened the closet door, placed the Plixio into the nearest outlet, and let it work. Within an hour the whole room, not just my closet, smelt clean! It no longer smells like cigarettes!”

Hamilton Beach TrueAir Plug-Mount Odor Eliminator
$16 at Amazon

“This product is a godsend! My sister has a dog and isn’t the cleanest person. Her mess combined with 100-degree California weather left her room smelling like a hot trash can. She’s immune to the smell, but as her housemate, I could smell the foul order oozing out of her room. So, after her inaction, I took matters into my own hands and ordered the air plug order eliminator. OMG! After plugging this baby in for an hour, the smell was gone. The filter pushed out all the dog and hot-trash smell in her room and replaced it was a light, flowery fragrance.”

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The Best Air Purifiers on Amazon