The best air purifiers can help filter fine particles, gases and other pollutants from the air you breathe. See our top picks ...

I t's easy to see the dirt and crumbs plaguing your home, but some of the best vacuums can detect and clean even smaller particles (a.k.a. allergens) that may be giving you and yo ...

A good qualifier is to look for devices that use HEPA (high-efficiency particulate air) filters. These are certified by the U.S. Department of Energy to eliminate 99.97 percent of particles as ...