HEPA air filters promise to take nasty things out of the air, removing cigarette smoke, pollen and other irritants. How do they do this? Appliance Science looks at how HEPA air filters work, and how ...

As Covid-19 rages on and winter flu season approaches, air purifiers have become a common sight in people’s homes and offices. But the language surrounding air purifiers can be intimidating, with ...

HEPA filters have become an increasingly common option in smart homes for those who really, really want to make sure they’re removing every bit of allergen or potential infectious particle. Often ...

Breathe easy with picks from Levoit, Dyson, and Shark ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. With wildfires, a pandemic and seasonal allergies, Americans are searching for the best air purifiers to help rid them of ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It's easy to see the dirt and crumbs plaguing your home, but some of the best vacuums can detect and ...

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Q. I've noticed that HEPA filters are advertised as being better than normal filters for new vacuum cleaners. Are they really better, and is it worth it to buy a vacuum that has one?—Dillon Yanick, ...

A Massachusetts study found that using HEPA air purifiers for one month improved cognitive performance in adults living near highways with high air pollution. Researchers observed faster executive ...

Without good airflow, everything from dust and pet dander to the odor of your roommate’s reheated leftovers becomes trapped inside, triggering allergies, breathing problems, and long-term health ...

Editor's Note: March 4, 2026 – Ahead of spring and summer allergy season, we’ll be testing a few additional air purifiers for ...

Ineffective gas turbine inlet filtration will cost a power plant a lot of money through reduced turbine efficiency, increased maintenance costs and lower turbine availability. In the face of these ...