Winix AT40: $57 a year to run
This model (Air purifiers) uses 272 kWh of electricity a year, which costs about $57 a year and $572 over 10 years at 21.0¢/kWh.
Energy use
272 kWh
per year
Running cost per year
$57
21.0¢/kWh
Running cost over 10 years
$572
Efficiency rank
186 / 240
Product details
| Room size (sq ft) | 411 |
|---|---|
| Technology | Fan and Filter |
| ENERGY STAR Most Efficient | No |
| Available since | May 29, 2026 |
Compared with the average model (Air purifiers), this one costs about $19 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| MEDIFY AIR MA-40-V4.0 | 261 | $55 |
| Blueair 3613111100 | 259 | $54 |
| Midea W | 259 | $54 |
| Toshiba W | 259 | $54 |
| Winix T810 | 259 | $54 |
| Nuwave 47901 | 258 | $54 |
| MEDIFY AIR MA-50-V3.0 | 252 | $53 |
| SIESEAN AP-480 | 245 | $51 |
- Refrigerators
- Freezers
- Washing machines
- Dishwashers
- Tumble dryers
- Room air conditioners
- Dehumidifiers
- Water heaters
- Electric cooktops and ranges
- Televisions
- Computers
Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology