Why it matters
The Blueair Blue Pure 211i Max is a HEPA room unit air purifier that its maker rates for 3,235 sq ft.
At the usual 4.8 air changes an hour and an 8-foot ceiling, a 3,235-square-foot rating implies about 2,070 cubic feet of clean air a minute. In a 12-by-15-foot bedroom that would turn the air over roughly 86 times an hour.
Filtration: HEPASilent.
Price-wise it sat in the dearest third of the 74 hepa room unit models we cover when we checked; the button shows today's price.
It qualifies for our list Best Air Purifiers for Large Living Rooms, where it is ranked against every model that meets the same rule.
Its rated room size of 3,235 square feet is one of the largest ratings we cover: 148 of the 152 purifiers with a stated figure come in lower, and the range runs from 62 square feet to 4,800 square feet.
Compared with the Blueair Blue Pure 411i+ Max: rated room size 3,235 sq ft here vs 259 sq ft.
The listing gives a weight of 16.2 lb.
Warranty, per the maker: 1 year.
Who it's for, and who should skip it
Good fit if
- Rooms up to about 3,235 sq ft
- Large open rooms
Look elsewhere if
- Whole-home filtration on its own
- Removing gases without a substantial carbon stage
Pros and cons
Pros
- Rated for 3,235 sq ft
Cons
- Filters are an ongoing cost
- Size to the room at 4.8 air changes per hour
Limitations to weigh
- Specifications are the maker's or seller's own figures; check fit against your equipment's model number and the actual size.
Specifications
The bracket shows where each figure comes from.
| Price | $349.99 | Maker |
|---|---|---|
| Warranty | 1 years | Maker |
| Product weight | 16.2 lb | Maker |
| Room coverage | 3,235 sq ft | Maker |
| Filter type | HEPASilent | Maker |
Alternatives worth comparing
More air purifiers we cover
- Westhey AP02 Air Purifier
- Coway Airmega 300 $549
- Airpura F700/F700DLX/F714 Air Purifier (F714 - White) $1,249.98
- Shark NeverChange Compact Pro HP071BRN Air Purifier
- PuroAir 100i Smart HEPA Air Purifier $109.99
All air purifiers, compared in one table · Every Blueair product we cover
Final verdict
A practical choice for rooms up to about 3,235 sq ft. Confirm the model it fits before ordering.
Where to buy
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