If you’ve invested in an air purifier, you likely want to get the most out of its filters. Replacing filters can be costly, and discarding them every few months isn’t environmentally friendly. However ...

Air purifiers are able to remove dust and allergens from the home, so long as they’re well-maintained — the key here is making sure the filters are doing their job. We’re going to help you keep them ...

Since I first started reviewing air purifiers for WIRED in 2018, I’ve tested dozens and dozens of the health-protecting appliances, usually for months at a time. I started out looking into how to ...