Winix AT40
ENERGY STAR ID 4618154 · Model AT40 · certified 2026-05-29
smoke265dust259pollen244
EPA room size
411 ft²
reported certification area
1 ACH equivalent
1988 ft²
calculated scenario, not a verified claim
Power (high)
46.3 W
5.72 CADR/W
Energy cost
$43.52/yr
272.02 kWh/yr at $0.16
- Filters
- HEPA-Type
- Technology
- Fan and Filter
- Ozone emissions
- 0 ppb (none detected)
- PM2.5 CADR
- 261