An expert shopping guide to HEPA air purifiers
We asked experts what to look for in air purifiers with HEPA filters and found highly rated options based on their guidance.
This HEPA air purifier can filter out 99.97 percent of particles that measure 0.3 microns, according to Dyson. The company says its filtration tests were conducted in a 2,860-cubic-foot space, which works out to about 350 square feet if you have 8-foot ceilings. It comes in Black and Nickel.
With a HEPA filter, washable metal filters and activated-carbon filters, this purifier can filter out 99.9 percent of particles 0.1 microns or larger from the air, according to Cuisinart, which says it works in spaces as large as 1,000 square feet.
This air purifier has a prefilter, carbon filter and HEPA filter that eliminate 99.97 percent of 0.3-micron particles, according to the company. BISSELL says it works for rooms as large as 308 square feet.
Available for under $100, this air purifier has a HEPA filter that filters out 99.97 percent of 0.3-micron particles, Levoit says, as well as a prefilter and an activated-carbon filter. It works for spaces as large as 129 square feet, Levoit says, and comes with a night light.
This air purifier has four filters: a large prefilter, medium prefilter, carbon filter and HEPA filter. They remove 95 percent of particles 0.1 microns or larger, according to the company. It’s 47 pounds, heavier than most air purifiers, but works for spaces as large as 1,500 square feet, Austin Air says.
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