Why it matters
The Coway Airmega Halo is a compact / desktop air purifier that its maker rates for 1,898 sq ft.
At the usual 4.8 air changes an hour and an 8-foot ceiling, a 1,898-square-foot rating implies about 1,215 cubic feet of clean air a minute. In a 12-by-15-foot bedroom that would turn the air over roughly 51 times an hour.
Filtration: HEPA. Quietest setting, per the maker: 17.8 dB. Power draw: 38 W.
Price-wise it sat in the middle third of the 30 compact / desktop models we cover when we checked; the button shows today's price.
It qualifies for our lists Best Air Purifiers for Large Living Rooms, Best Air Purifiers for Home Offices, where it is ranked against every model that meets the same rule.
Its rated room size of 1,898 square feet is above the middle of the range we cover: 112 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 Coway Airmega Mighty2: rated room size 1,898 sq ft here vs 1,800 sq ft; power draw 38 W here vs 56 W.
The listing gives dimensions of 10.6 x 19.7 x 10.6 in and a weight of 9.7 lbs.
Who it's for, and who should skip it
Good fit if
- Rooms up to about 1,898 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 1,898 sq ft
- Low setting 17.8 dB
- 38 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 | $229.99 | Maker |
|---|---|---|
| Product weight | 9.7 lbs | Maker |
| Dimensions (seller) | 10.6 x 19.7 x 10.6 in | Maker |
| Room coverage | 1,898 sq ft | Maker |
| Wattage | 38 W | Maker |
| Filter type | HEPA | Maker |
| Noise (seller) | 17.8 dB | Retailer |
Alternatives worth comparing
More air purifiers we cover
- GermGuardian AC4880W Air Purifier
- Medify Air MA-40 Air Purifier $249.99
- Airpura R414 Air Purifier
- SwitchBot W5302310 Air Purifier
- Alen BreatheSmart 75i $799
All air purifiers, compared in one table · Every Coway product we cover
Final verdict
A well-matched choice for rooms up to about 1,898 sq ft. Confirm the model it fits before ordering.
Where to buy
Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure