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The Coway Airmega 100 Air Purifier Is a Tiny, Beautiful Breath of Fresh Air

Coway’s snazziest bedroom air purifier packs every bit of the air cleaning power as its larger siblings.

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You’ve found yourself here because wildfires are harassing you, right? Or it’s the pollen. Or you have a cute roommate who’s covered in fur (we don’t judge), or you just don’t like the idea of homes being so porous that all the outdoor pollution floating around and lousy with diesel soot and dust makes it inside your home.

Starting small with a bedroom air purifier doesn’t mean giving up features. My favorite is every bit as good at removing indoor pollution as the big air purifiers. The Coway Airmega 100 has a True HEPA filter that can remove 99.999 percent of mold spores, pollen, dust mites, aerosols, dust, particulate, viruses, and pollutants over 0.01 microns. If all that is Greek to you, let me say that as a professional air purifier reviewer for six years, that’s damn impressive. Maybe the hospital down the street has better air purifiers, but for a home that’s about as good as it gets.

We’ve got a whole Best Air Purifiers guide so that you can quit coughing on wildfire smoke, allergies, and pet dander. They’ll even make your apartment less stinky, too, whether it’s from your neighbors’ cigarette smoke wafted through the walls or your beloved family pet’s smelly little butt.

my quick verdict on the coway airmega 100

You shouldn’t expect the diminutive Coway Airmega 100 to handle much more than a small-to-medium-sized bedroom. Larger master bedrooms and offices should go with the fantastic Coway AP-1512HH Mighty, and living rooms should grab the Coway Airmega 250, both of which I’ve reviewed, tested, and owned for years. But for tiny rooms of 162 square feet—say, a 10- by 16-foot room—the Coway Airmega 100 is unmatched. It has a True HEPA filter and an intelligent automatic mode that kicks on extra fan speed when it detects dirtier-than-normal air. Plus, it has that typical Coway reliability and longevity.

Airmega 100 (opens in a new window)

I’ve had the Coway Airmega 100 for a little over a year and a half now. Of the Coways to join my three-air-purifier home collection, the Airmega 100 came too late to live through the massive apartment fire of April 2022 or the........

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