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 ...

Every winter, Delhi’s pollution levels turn the air into a visible health hazard. With AQI numbers crossing into “severe” territory once again, people are staying indoors, but the toxic air is still ...

Air purifiers often fade into the background until something feels off. This article looks at a small but important part of ...

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 ...