Windmill SAP2V1: $28 a year to run
This model (Air purifiers) uses 132 kWh of electricity a year, which costs about $28 a year and $277 over 10 years at 21.0¢/kWh.
Energy use
132 kWh
per year
Running cost per year
$28
21.0¢/kWh
Running cost over 10 years
$277
Efficiency rank
105 / 240
Product details
| Room size (sq ft) | 202 |
|---|---|
| Technology | Fan and Filter |
| ENERGY STAR Most Efficient | No |
| Available since | February 1, 2026 |
Compared with the average model (Air purifiers), this one saves about $10 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Midea KJ250G-Z42 | 131 | $28 |
| PELONIS KJ250G-Z42 | 131 | $28 |
| PRO AIRE 1PAPUV15 | 131 | $28 |
| Greenlite G-Pure1-22W | 129 | $27 |
| AIRMEGA AP-0823E | 128 | $27 |
| Coway B | 128 | $27 |
| Coway Airmega AP-0823E | 128 | $27 |
| DREAME CVM10B | 128 | $27 |
- 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