Coway Airmega 350(W);Airmega 350(BG);Airmega 350(*);AP-1924A_WT;AP-1924A_BG; AP-1924A_*: $72 a year to run
This model (Air purifiers) uses 344 kWh of electricity a year, which costs about $72 a year and $723 over 10 years at 21.0¢/kWh.
Energy use
344 kWh
per year
Running cost per year
$72
21.0¢/kWh
Running cost over 10 years
$723
Efficiency rank
216 / 240
Product details
| Room size (sq ft) | 558 |
|---|---|
| Technology | Fan and Filter |
| ENERGY STAR Most Efficient | No |
| Available since | February 1, 2025 |
Compared with the average model (Air purifiers), this one costs about $34 more a year.
More efficient alternatives
- 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