rabbit.reviews
Best for Very Large Rooms

Blueair Blue Pure 211i Max

Wirecutter's top pick for spaces up to 750 sq ft, the Blue Pure 211i Max delivers serious airflow without being a power hog. It's the go-to when you need to clean a genuinely large open-plan space.

$250-$330
Pros
  • Capable of 4 air changes per hour in spaces up to 750 sq ft on high
  • Not particularly power-hungry for its performance class
  • Extremely powerful airflow for large open-plan rooms
  • Recommended by Wirecutter for 500+ sq ft spaces
Cons
  • Higher upfront cost than budget picks
  • Running on highest setting continuously is loud and not ideal
  • Filter replacements are more expensive than Coway
Why we recommend it

When the room is big enough that the Coway Mighty starts to struggle, the Blueair 211i Max is what you step up to — it's the most capable purifier for large spaces that doesn't require a second mortgage.

Wirecutter

If you need to purify the air in a space of 500 square feet or so, we recommend the Blueair Blue Pure 211i Max. It's extremely powerful, and in fact capable of delivering our recommended four ACH in spaces as large as 750 square feet on its highest setting.