Air purifiers can be a great way to improve indoor air quality and alleviate allergy symptoms. This article reviews some of the best air purifiers on the market, taking into account factors like filtration capabilities, noise level, and price.
If you're constantly coughing, sneezing, or dealing with allergies, finding the best air purifier for your home can help. Air purifiers are designed to remove contaminants like dust, mold, smoke, and odors to improve indoor air quality—and research shows they can be highly effective. They use filters and a fan to then push the clean air back into your home, allowing you to breathe easier and better.
For shopping tips and advice on deciding whether you really need one, we spoke with Denna Zebda, MD, assistant professor in the department of otorhinolaryngology with UTHealth Houston and Memorial Hermann, and Julie Wendt, MD, allergist and immunologist at Relieve Allergy. Browse their recs below. Medify MA-40 Air Purifier Bionaire Air Purifier Clorox Air Purifier Levoit Core 400S Air Purifier Dyson Pure Hot + Cool Link Purifier Heater Fan HP02 Coway Airmega 400(G) Smart Air Purifier Honeywell HPA030 HEPA Tower Air Purifier Alen 75i Air Purifier Blueair Blue 211+ Auto HEPA Air Purifier GermGuardian 3-in-1 True HEPA Filter Air Purifier Blueair Protect 7470i Air PurifierNot necessarily: Dr. Zebda says an air purifier can be particularly helpful for people with dust allergies and asthma. Own a pet that you’re allergic to? An air purifier can also cut down on pet dander, hair, and odor that may be causing your reactions, she adds. They can even be effective at removing smoke and pollution: One 2023 study found that air purifiers with a HEPA filter can eliminate 50% to 80% of particles in the air, even in highly polluted areas. Another proved that HEPA filters can clear up to 74% of indoor smoke particles caused by outdoor smoky conditions. Note: Air purifiers are designed to pick up contaminants in the air (not on surfaces), so they can’t keep your home entirely dust-free. Something else to keep in mind—Dr. Wendt explains that “some are loud, messy, and can get expensive,” since their filters will need to be replaced every so often (and some may be discontinued in between maintenance sessions).Maybe—but more research is needed. Some studies have shown that your risk of a COVID-19 infection goes down in a well-ventilated room. This includes a room with an air purifier in it, although variables like how well your purifier works and what size area it’s designed to cover can also affect your risk. We’ve got plenty of expert-recommended and SELF staffer-approved options below. Impressive filtration rate Works for large spaces Quiet Lightweight No “smart” features Filters have to be replaced every six monthsThis device wins points from Dr. Dasgupta for its high CADR of 406 cubic feet per minute (CFM). Because it has a high-capacity HEPA filter (which Dr. Dasgupta says is a must for removing fine smoke particles), Medify claims this purifier can capture even smaller pollutants than traditional HEPA filters can. A child lock, timer, sleep mode, adjustable fan speed, filter replacement indicator, and lifetime warranty make it a great all-around pick—and, at around $200, it’s not too pricey either.Has six filtration methods Quiet Lightweight Produces a small amount of ozone when using UV light Only works for tiny spacesThis eight-pound purifier has both of the certifications that Dr. Dasgupta looks for: Energy Star and Association of Home Appliance Manufacturers (AHAM), which he says “ensure efficiency and reliability.” It also has six layers of filtration, including a HEPA filter and a carbon filter—a combo that Dr. Dasgupta says is great for fighting wildfire smoke, since it eliminates the particles and the odors they may have. “I use this purifier in my bedroom, and it’s definitely helped cut down on dust and pet dander,” says one SELF writer. “It’s so quiet that I don’t notice it at all.” This purifier does have an ionizing UV light mode for killing airborne viruses (just note that it creates some ozone).Works well for large spaces Hands-free auto mode Displays air quality two different ways Unclear if UV light is ozone-free HeavyThis SELF 2024 Healthy Home Award-winner uses a HEPA filter and can cover up to 2,200 square feet of space. 'I like that its auto mode responds to changes in the air automatically, so it’ll kick on and get to work when something suddenly changes (it really doesn’t like when I make grilled cheese),” says Christa Sgobba, SELF’s director of food and fitness. “I also like that you can easily tell what your air quality is by the color of the light, which is helpful if you’re too far away to read the number on the digital display.' HEPA and carbon filter combo Quiet Can be app- or voice-controlled with Amazon Alexa CADR of 260 CFM could be higherAn ideal air purifier for your bedroom, the Levoit Core 400S operates at a super quiet 24 decibels, which is about as loud as a whisper. But it’s still pretty powerful: Using a three-stage filtration system (including HEPA), it captures tiny pollutants in rooms up to 1,980 square fee
AIR PURIFIERS ALLERGIES DUST SMOKE INDOOR AIR QUALITY HEPA FILTER UV LIGHT HEALTH WELLNESS HOME IMPROVEMENT
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