Why it matters
The PuroAir 100i Smart HEPA Air Purifier is a HEPA room unit air purifier that its maker rates for 550 sq ft.
At the usual 4.8 air changes an hour and an 8-foot ceiling, a 550-square-foot rating implies about 352 cubic feet of clean air a minute. In a 12-by-15-foot bedroom that would turn the air over roughly 15 times an hour.
Filtration: HEPA. Quietest setting, per the maker: 22 dB. Power draw: 16 W.
The listing names app control.
Price-wise it sat in the cheapest third of the 74 hepa room unit models we cover when we checked; the button shows today's price.
It qualifies for our lists Best Air Purifiers for Baby Nurseries, Best Air Purifiers for Allergies, Best Air Purifiers for Kitchens, where it is ranked against every model that meets the same rule.
Its rated room size of 550 square feet is below the middle of the range we cover: 48 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 PuroAir 400 HEPA Air Purifier: rated room size 550 sq ft here vs 2,000 sq ft; power draw 16 W here vs 80 W.
The listing gives dimensions of 11.0 in x 8.9 in x 4.9 in.
Warranty, per the maker: 2 years.
Who it's for, and who should skip it
Good fit if
- Rooms up to about 550 sq ft
- Allergy season
Look elsewhere if
- Whole-home filtration on its own
- Removing gases without a substantial carbon stage
Pros and cons
Pros
- Rated for 550 sq ft
- Low setting 22 dB
- 16 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 | $109.99 | Maker |
|---|---|---|
| Warranty | 2 years | Maker |
| Dimensions (seller) | 11.0 in x 8.9 in x 4.9 in | Maker |
| Room coverage | 550 sq ft | Maker |
| Wattage | 16 W | Maker |
| Filter type | HEPA | Maker |
| Replacement interval | every 3 months | Maker |
| Noise (seller) | 24 dB | Retailer |
| Quietest setting | 22 dB | Retailer |
Alternatives worth comparing
More air purifiers we cover
- Shark NeverChange Max HP301 Air Purifier
- Levoit Core 300-P Air Purifier $99.99
- AirDoctor AD3500 $659
- Dyson Purifier Cool Formaldehyde TP09 Air Purifier
- Honeywell HFD360 Air Purifier
All air purifiers, compared in one table · Every PuroAir product we cover
Final verdict
A sensible choice for rooms up to about 550 sq ft. Confirm the model it fits before ordering.
Where to buy
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