Why it matters
The Austin Air Bedroom Machine Air Purifier (B402A1) is a large-room / whole-floor air purifier that its maker rates for 1500 sq ft.
At the usual 4.8 air changes an hour and an 8-foot ceiling, a 1,500-square-foot rating implies about 960 cubic feet of clean air a minute. In a 12-by-15-foot bedroom that would turn the air over roughly 40 times an hour.
Filtration: 60 sq. ft. of true medical-grade HEPA. Quietest setting, per the maker: 67 dB (max). Power draw: 135 W.
Price-wise it sat in the dearest third of the 57 large-room / whole-floor models we cover when we checked; the button shows today's price.
It qualifies for our lists Best Air Purifiers for Basements and Musty Odors, Best Air Purifiers for Home Offices, where it is ranked against every model that meets the same rule.
Its rated room size of 1,500 square feet is above the middle of the range we cover: 95 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 Austin Air it Personal HEPA Air Purifier (C100CC1): rated room size 1500 sq ft here vs 700 sq ft; power draw 135 W here vs 82 W; warranty 5-year mechanical; 5-year pro-rated filter warranty here vs 5-Year Manufacturer's Warranty.
Warranty, per the maker: 5-year mechanical; 5-year pro-rated filter warranty.
Who it's for, and who should skip it
Good fit if
- Rooms up to about 1500 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 1500 sq ft
- Low setting 67 dB (max)
- 135 W draw
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 | $994.99 | Retailer |
|---|---|---|
| Model number | B402A1 | Retailer |
| Room coverage | 1500 sq ft | Retailer |
| Wattage | 135 W | Retailer |
| Noise (seller) | 67 dB (max) | Retailer |
| Airflow | 250.0 CFM | Retailer |
| Filter type | 60 sq. ft. of true medical-grade HEPA | Retailer |
| Voltage | 110-120 V | Retailer |
| Warranty | 5-year mechanical; 5-year pro-rated filter warranty | Retailer |
Alternatives worth comparing
More air purifiers we cover
- Clorox 11020 Air Purifier
- Kenmore PM1005 Air Purifier
- Levoit Vital Pet Air Purifier $159.99
- Medify Air MA-50-V3.0 Air Purifier $299.99
- Winix 5510 Air Purifier
All air purifiers, compared in one table · Every Austin Air product we cover
Final verdict
A practical choice for rooms up to about 1500 sq ft. Confirm the model it fits before ordering.
Where to buy
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