Large rooms, open-plan layouts, and spaces over 400 square feet demand a high CADR (clean air delivery rate) to cycle the air frequently enough to be effective. Underpowered purifiers in big spaces run on max fan speed all day, wearing out filters faster and creating noise. The models below are designed for large rooms and sorted by total cost of ownership.
38 purifiers
Take our 2-minute quiz to get personalized recommendations based on your room, budget, and concerns.
Take Our Quiz