How to Choose an Air Purifier: Start With the Pollutant, Room, CADR, Noise, Filters, and Annual Cost
A useful portable air purifier starts with a defined job: a named pollutant in a real room, handled at a fan speed the household can live with. Large coverage numbers and long feature lists can distract from the questions that determine everyday use, including filter supply, noise, placement, controls, recurring cost, and safety. Compare particle
