Clean the air in your home and protect your HVAC system with one of these top-performing air filters from CR’s tests Thicker filters do their job better and require less frequent replacement, but not ...

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 ...

After wildfire smoke and the COVID-19 pandemic caused a surge in demand for air purifiers, which can be expensive or out-of-stock, the “Corsi-Rosenthal” box was born. The simple, inexpensive device is ...