You want an air purifier you’ll actually use, so it’s best to choose one that’s easy to maintain. It’s also important to size it right for your room. But how else can you narrow down the thousands of models to find the best air purifier for you? Look for the evidence-based, scientific Certification standard that air purifiers can earn, advises John McKeon, MD, founder and CEO of Allergy Standards Ltd. (ASL), which operates the Certification program with the AAFA.
