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How to buy the best air purifier
How to buy an effective air purifier you can trust to do a great job of air cleaning. Find out about air purifier types, running costs, Hepa filters and noise.
How we test air purifiers
Our air purifier reviews are based on our independent lab tests. Find out more about how we test air purifiers to find the best machine for your home.
How to improve the air quality in your home
Everything you need to know about reducing pollution and allergens in your home before reading our reviews and finding out how to buy the best air purifier.