Why it matters
The Coway Airmega MightyS AP-1512HHS is a HEPA room unit air purifier that its maker rates for 788 sq ft.
At the usual 4.8 air changes an hour and an 8-foot ceiling, a 788-square-foot rating implies about 504 cubic feet of clean air a minute. In a 12-by-15-foot bedroom that would turn the air over roughly 21 times an hour.
Filtration: HEPA. Power draw: 80 W.
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 lists 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 788 square feet is below the middle of the range we cover: 60 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 Halo: rated room size 788 sq ft here vs 1,898 sq ft; power draw 80 W here vs 38 W.
The listing gives dimensions of 16.8 x 18.3 x 9.6 in and a weight of 12.34 lbs.
Who it's for, and who should skip it
Good fit if
- Rooms up to about 788 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 788 sq ft
- 80 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 | $299.99 | Maker |
|---|---|---|
| Product weight | 12.34 lbs | Maker |
| Dimensions (seller) | 16.8 x 18.3 x 9.6 in | Maker |
| Room coverage | 788 sq ft | Maker |
| Wattage | 80 W | Maker |
| Filter type | HEPA | Maker |
Alternatives worth comparing
More air purifiers we cover
- GermGuardian AC5250PT Air Purifier
- PuroAir 400 HEPA Air Purifier $324.99
- Austin Air Immunity Machine Air Purifier (B444D1) $1,144.99
- Levoit LV-H132 Personal Air Purifier $89.99
- VEWIOR ClearAir-A12 Air Purifier
All air purifiers, compared in one table · Every Coway product we cover
Final verdict
A well-matched choice for rooms up to about 788 sq ft. Confirm the model it fits before ordering.
Where to buy
Each button opens this exact model. Disclosure