Winix air purifiers compared
ENERGY STAR currently lists 5 Winix models (after merging duplicate listings), from 248 to 461 cfm smoke CADR.
| Model | Smoke CADR (cfm) | ENERGY STAR room size (sq ft) | Energy use (kWh/yr) | Est. electricity/yr* | Most Efficient |
|---|---|---|---|---|---|
| Winix C610 | 248 | 384 | 235 | $43.03 | No |
| Winix C710 | 248 | 384 | 235 | $43.03 | No |
| Winix AT40 | 265 | 411 | 272.02 | $49.81 | No |
| Winix T810 | 270 | 419 | 259 | $47.42 | No |
| Winix Tower XQ | 461 | 715 | 486 | $88.99 | No |
*Estimate: ENERGY STAR annual kWh × U.S. average residential rate 18.31¢/kWh (EIA, July 2026 (preliminary)). ENERGY STAR's annual figure assumes 16 hours/day of operation under the DOE test procedure.
Winix on the manufacturer's site (plain link, not an affiliate link)