Best pick for your answersopen-plan spaces
#1 Blueair Blue Pure 311i Max Rank 1 of 9 robots for open-plan spaces in our ranking
Score 7.6 / 10 $229 gray · incl. shipping · checked on October 15, 2026
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.
#1An 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. Models no lab has tested yet, so they are not in our ranking. We do track their prices.
Score 7.6 out of 10
Score 7.6 out of 10
open-plan spaces Blueair Blue Pure 311i+ Max
$224$299 Discount as claimed by the store. We have not followed this store for the 30 days before the sale began, so we cannot verify the old price yet.How we work this out
Score 7.4 out of 10
Score 7.3 out of 10
Score 7.3 out of 10
Score 7.1 out of 10
Score 6.8 out of 10
open-plan spaces Blueair Blue Pure 211i Max
$262$349 Discount as claimed by the store. We have not followed this store for the 30 days before the sale began, so we cannot verify the old price yet.How we work this out
Score 6.0 out of 10
Score 5.0 out of 10
Not ranked
Not ranked
Lowest price at every store that ships to the United States, shipping included, before sales tax.