Our verdict
Pick the Coway AP-1512HHS if it is the cheaper of the two on the day you buy. Pick the Winix 5520 if your room is larger and you want the lower price.
The central trade-off
Rated room size. Winix 5520 Air Purifier: 1,882 square feet; Coway AP-1512HHS Air Purifier: 1575 square feet.
Power draw. Winix 5520 Air Purifier states 50 watts; the other's maker page doesn't.
Filters. Coway AP-1512HHS Air Purifier: HEPA Filter, Active Carbon Filter, Pre-Filter.
Filters. Winix 5520 Air Purifier: HEPA.
Price. When we checked, the Winix 5520 Air Purifier listed for less ($180 against $300); prices move, so check both buttons.
Side by side
| Specification | Coway AP-1512HHS Air Purifier | Winix 5520 Air Purifier |
|---|---|---|
| Rated room size | 1575 square feet | 1,882 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 | 24.4 db | 27 db |
| Power draw | Not stated by the maker | 50 watts |
| Filters | HEPA Filter, Active Carbon Filter, Pre-Filter | 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 AP-1512HHS Air Purifier if
- It is the cheaper of the two on the day you buy