Our verdict
Pick the Winix D360 if your room is larger. Pick the Winix A230 if you want the lower price.
The central trade-off
Rated room size. Winix D360 Air Purifier: 361 sq ft (AHAM); Winix A230 Air Purifier: 230 square feet.
Filters. Winix D360 Air Purifier: Washable pre-filter, activated carbon filter and True HEPA filter.
Filters. Winix A230 Air Purifier: HEPA.
Price. When we checked, the Winix A230 Air Purifier listed for less ($100 against $180); prices move, so check both buttons.
Side by side
| Specification | Winix D360 Air Purifier | Winix A230 Air Purifier |
|---|---|---|
| Rated room size | 361 sq ft (AHAM) | 230 square feet |
| 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 | Not stated by the maker | 27 db |
| Power draw | Not stated by the maker | Not stated by the maker |
| Filters | Washable pre-filter, activated carbon filter and True HEPA filter | HEPA |
| Warranty | 2 years | Not stated by the maker |
Values are the makers' published specifications. "Not stated" means the maker doesn't publish it.