The best air purifier for open-plan spaces in 2026
10 air purifiers sized for spaces over 40 m² (430 sq ft). Ranked by our score from measured facts and owners’ ratings, with today’s lowest price.
An open-plan space has no walls to keep the air in one place, so one purifier has to be big, or two have to share the work. These are the models with the highest airflow.
Check the CADR and how loud the purifier is at the speed that gives it. The order below is our score. The price is today’s lowest including shipping.
The score is out of 10: 60% measured facts and 40% store ratings. A model is ranked only when its CADR is known. Method.
No model fits all these filters.
Lowest price at every store that ships to the United States, shipping included, before sales tax.