Coway AP-3018B: $49 a year to run
This model (Air purifiers) uses 235 kWh of electricity a year, which costs about $49 a year and $494 over 10 years at 21.0¢/kWh.
Energy use
235 kWh
per year
Running cost per year
$49
21.0¢/kWh
Running cost over 10 years
$494
Efficiency rank
170 / 240
Product details
| Room size (sq ft) | 640 |
|---|---|
| Technology | Fan and Filter |
| ENERGY STAR Most Efficient | Yes |
| Available since | August 19, 2019 |
Compared with the average model (Air purifiers), this one costs about $11 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Blueair 3432111100 | 227 | $48 |
| Noma 143-1310-6 | 226 | $47 |
| Sharp KCP70UW | 225 | $47 |
| Blueair 5431111000 | 220 | $46 |
| Coway AP-1523D | 219 | $46 |
| Coway Airmega AP-1523D | 219 | $46 |
| Danby DAP290BAW | 218 | $46 |
| LAGO LAPKJ500GTB32 | 218 | $46 |
- 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