Air purifiers are designed to remove indoor air pollution caused by fuel-burning appliances, cleaning products, heating and cooling systems, car pollution, wildfire smoke and everything in between.

Below, we provide a closer look at the top five air purifiers, listed according to the room size each is designed to cover. We designate extra-large rooms as 650 square feet or more, large rooms ...

First, if your HVAC system does not recirculate outside air, and instead only recirculates air from inside the home, the ...