Our verdict
Pick the Winix 5520 if your room is larger and running cost matters. Pick the Coway Airmega Mighty AP-1512HH if it is the cheaper of the two on the day you buy.
The central trade-off
Rated room size. Winix 5520 Air Purifier: 1,882 square feet; Coway Airmega Mighty AP-1512HH: 361 sq ft.
Power draw. Winix 5520 Air Purifier: 50 watts; Coway Airmega Mighty AP-1512HH: 77 W.
Filters. Winix 5520 Air Purifier: HEPA.
Filters. Coway Airmega Mighty AP-1512HH: HEPA.
Price. When we checked, the Winix 5520 Air Purifier listed for less ($180 against $240); prices move, so check both buttons.
Side by side
| Specification | Winix 5520 Air Purifier | Coway Airmega Mighty AP-1512HH |
|---|---|---|
| Rated room size | 1,882 sq ft | 361 sq ft |
| Smoke CADR | Not stated by the maker | Not stated by the maker |
| CADR | Not stated by the maker | Not stated by the maker |
| Quietest setting | Not stated by the maker | Not stated by the maker |
| Noise | 27 db | Not stated by the maker |
| Power draw | 50 watts | 77 W |
| Filters | HEPA | HEPA |
| Warranty | Not stated by the maker | Not stated by the maker |
Values are the makers' published specifications. "Not stated" means the maker doesn't publish it.
Which should you choose?
Choose the Coway Airmega Mighty AP-1512HH if
- It is the cheaper of the two on the day you buy