Coway AP-1125G: $41 a year to run
This model (Air purifiers) uses 195 kWh of electricity a year, which costs about $41 a year and $410 over 10 years at 21.0¢/kWh.
Energy use
195 kWh
per year
Running cost per year
$41
21.0¢/kWh
Running cost over 10 years
$410
Efficiency rank
144 / 240
Product details
| Room size (sq ft) | 287 |
|---|---|
| Technology | Fan and Filter |
| ENERGY STAR Most Efficient | No |
| Available since | June 30, 2026 |
Compared with the average model (Air purifiers), this one costs about $3 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| LEVOIT LAP-C511S-WUS | 194 | $41 |
| Blueair 3332111100 | 193 | $41 |
| Honeywell HPA4300B | 185 | $39 |
| Atmosphere BLUE 316500K* | 184 | $39 |
| Blueair 3431101000 | 182 | $38 |
| Blueair 4412311000 | 181 | $38 |
| WOOZOO APF-25 | 179 | $38 |
| Govee H7122 | 175 | $37 |
- 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