Sharp KCP70UW: $47 a year to run
This model (Air purifiers) uses 225 kWh of electricity a year, which costs about $47 a year and $473 over 10 years at 21.0¢/kWh.
Energy use
225 kWh
per year
Running cost per year
$47
21.0¢/kWh
Running cost over 10 years
$473
Efficiency rank
167 / 240
Product details
| Room size (sq ft) | 395 |
|---|---|
| Technology | Fan and Filter |
| ENERGY STAR Most Efficient | No |
| Available since | June 15, 2022 |
Compared with the average model (Air purifiers), this one costs about $9 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Blueair 5431111000 | 220 | $46 |
| Coway AP-1523D | 219 | $46 |
| Coway Airmega AP-1523D | 219 | $46 |
| Danby DAP290BAW | 218 | $46 |
| LAGO LAPKJ500GTB32 | 218 | $46 |
| Midea 793K20A | 218 | $46 |
| Midea US-KJ500G-TB32 | 218 | $46 |
| CLOROX 11091 | 216 | $45 |
- 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