Tom's Guide Verdict The Dyson HushJet Purifier Compact is a well-designed air purifier that excels most in smaller spaces and whisper-quiet. It also features an excellent app that provides smart readings and handy information. The only caveat is its expensive price tag, and it's not quite as compact as other purifiers on the market. Pros + Compact size for small-medium sized rooms + Whisper-quiet operation + Very responsive air-quality changes + Modern innovative design + Long-lasting filter (up to 5 years) Cons - Not small enough to sit on a desk - No cooling fan - Expensive Why you can trust Tom's Guide Our writers and editors spend hours analyzing and reviewing products, services, and apps to help find what's best for you. Find out more about how we test, analyze, and rate. If, like me, you suffer from seasonal or dust allergies, I've found having one of the best air purifiers in my home to be a real life-saver. And when it comes to air purification and tech, Dyson has always been ahead of the game.…