people's choice

The Best Air Purifiers on Amazon, According to Hyperenthusiastic Reviewers

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If you suffer from seasonal allergies (or just have a lot of pets), you’ve probably thought about buying an air purifier. Perhaps your doctor even recommended you buy one. Air purifiers take dust particles, odors, pet dander, and more out of the air, making it cleaner and easier to breathe. To help you find the best one for you, we’ve scoured Amazon for the best options — including one for larger spaces and another that doubles as a humidifier — as praised by the most enthusiastic reviewers. But if you’d prefer a more professional take, we’ve got doctor-recommended options and a writer-tested one, too.

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Best-rated air purifier


More than 35,000 reviewers give this air purifier five stars, and many report better breathing and alleviated allergy symptoms. One user from Napa, California, bought this after a forest fire and writes, “This air purifier has made breathing noticeably easier in our home, and the air smells much cleaner, especially with the ultraviolet light turned on.” Many customers chalk up how well and quickly this purifier works to the True HEPA filter. “I bought this model specifically because it uses ‘True HEPA’ filtration, which filters out the smaller smoke particles that can get into your bloodstream,” one writes. Another reviewer warns, “The replacement True HEPA filters are a bit pricey at around $28 last I checked, but they last about six months, give or take.”

Beyond collecting dust, this purifier gets lots of praise for eliminating odors. “The smell of the litter box was the primary reason I purchased this air purifier,” one reviewer writes. “After using this air cleaner regularly for about two years, I can confidently say that it effectively and completely removes the smell of the litter box, helps control the amount of hair that floats around the room, and generally does a very good job keeping dust from accumulating in the room.”

Best-rated (less expensive) air purifier

Germ Guardian Pluggable Air Purifier

This is the same brand as our best-rated pick, but it’s a much smaller version for kitchens, bathrooms, kids’ rooms, and right above litter boxes. One customer says it cut down the smell of his cats litter box “by 95%.” Another reviewer “basically had to clean the kitchen every single day to deal with lingering smells,” but she has no issues with odor now, thanks to this purifier. Because this pluggable purifier is so small, reviewers like that they can put it in a very targeted area to eliminate smells, but one customer warns that “its light is pretty bright (nightlight bright),” so you might not want to put it in a place that requires total darkness. And one more reviewer reports that it actually covers a larger space than many might think. She explains that the people who live downstairs from his apartment smoke, which makes their kitchen “reek of cigarettes,” but after she got this to clear up the “old, dirty ashtray” smell, she writes, “I honestly didn’t expect much from this tiny thing. I plugged it in right next to the garbage can and the next morning there was no smell! I’m amazed.”

Best air purifier for allergies

TOPPIN HEPA Air Purifiers for Home

Allergy sufferers find this air purifier, complete with a HEPA filtration system and three fan speeds, to be, in the words of many reviewers, a “game changer.” One, who bought it in anticipation of a guest with bad cat allergies writes, “I put the air purifier in his bedroom and he had no allergy problems at all while he was here. Just for kicks, I put it in my own bedroom after my guest left … my own allergies disappeared!” Another reviewer who struggles with dust and pollen allergies says this purifier “has been an amazing addition to my home … I can already feel a difference in my breathing and the air quality. I no longer wake up with a stuffy nose nor do I sneeze as much throughout the day.” And a reviewer who claims to be “allergic to everything basically” says it has “taken my allergy attacks down by 80% which is amazing! I went from taking allergy meds every day to maybe once every two weeks.”

Best air purifier for pets

Levoit H13 True HEPA Filter Air Purifier

This Strategist-approved air purifier was so effective that it cleared up one contributor’s dog allergies in just three days, and plenty of Amazon reviewers with pets say it clears up odors, too. One reviewer, who called the Levoit a “marriage/pet saver,” used this purifier after her rescue kittens led to a distinct and unpleasant odor. “I got this product out of desperation,” she says. “I am truly shocked and enormously happy with how it works! My husband was at wits’ end with his sensitive nose. He goes in there now and is astonished, no smell.” According to another reviewer, “It’s especially hard removing smoke/pet odors being in such a small space with only one window, but this has definitely helped and I would 100 percent recommend this air purifier to others looking for one.” Yet another pet owner (with a strange definition of domesticated animals) says, “I have pet rats and they STINK sooooo badly when I don’t clean them after two days. One day I was sick and decided to just move the purifier into the same room as the rats,” she says. “With the purifier in there, I smelled NOTHING.”

Best air purifier to remove odors