Our verdict
Pick the Winix C545 if it is the cheaper of the two on the day you buy. Pick the Winix T810 if your room is larger and you want the lower price.
The central trade-off
Rated room size. Winix T810 Air Purifier: 410 square feet; Winix C545 Air Purifier: 360 square feet.
Power draw. Winix T810 Air Purifier states 45 watts; the other's maker page doesn't.
Filters. Winix C545 Air Purifier: Pre-Filter.
Filters. Winix T810 Air Purifier: HEPA.
Price. When we checked, the Winix T810 Air Purifier listed for less ($176 against $273); prices move, so check both buttons.
Side by side
| Specification | Winix C545 Air Purifier | Winix T810 Air Purifier |
|---|---|---|
| Rated room size | 360 square feet | 410 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 | 27 db | 23.8 db |
| Power draw | Not stated by the maker | 45 watts |
| Filters | 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.