Nab this three-in-one Shark purifier at under $150 for a limited time. Amazon This three-in-one can clean the air in spaces up to 500 square feet, with four purifying speeds and a HEPA filter to catch all the smallest dust particles.

The best air purifiers for allergies capture dust, pollen and dander, improving your home's air quality and reducing your household's symptoms. Here are our top picks.

This Dyson Purifier Hot+Cool air purifier is designed for large room, able to draw in pollutants all around it then project 76 gallons of air per second throughout the space. It uses a HEPA H13 fully sealed filter. And it’s not just the filter that meets the standard, but the whole machine —ensuring what goes inside, stays inside.

With thoughtful controls and an attractive design, Coway’s new Airmega 350 is one of the best air purifiers we’ve tested.

"If you have kids, pets, asthma, lungs, a pulmonary system or you just enjoy breathing, this thing is for you," wrote one reviewer.

Spring is just around the corner, and reviewers call this investment a “game-changer” for their severe seasonal allergies.