The Holmes 360 True HEPA Air Purifier ($90, originally $100) is an energy-efficient option that's great for medium-sized rooms. It has a three-in-one filtration system, ...

Clorox Large Room True HEPA Air Purifier 11010 ($131, originally $150) . The Clorox Large Room True HEPA Air Purifier 11010 is a powerful filter perfect for larger rooms or open floor plans ...

“Make sure it has a HEPA air purifier since these filter down to 0.3 microns and have a robust amount of studies done showing their efficacy,” says Parikh.

Whether an air purifier has a replaceable HEPA filter, a permanent filter, or a combination of the two, it needs regular upkeep. CR walks you through how to take care of several types. Other Ways ...

This air purifier for dust is very compact, measuring in at 7.9 x 7.9 x 12.6 inches. It is portable, allowing people to easily move it from room to room, and a three-stage filtration system.