Honeywell HPA4300B: $39 a year to run
This model (Air purifiers) uses 185 kWh of electricity a year, which costs about $39 a year and $389 over 10 years at 21.0¢/kWh.
Energy use
185 kWh
per year
Running cost per year
$39
21.0¢/kWh
Running cost over 10 years
$389
Efficiency rank
141 / 240
Product details
| Room size (sq ft) | 355 |
|---|---|
| Technology | Fan and Filter |
| ENERGY STAR Most Efficient | No |
| Available since | July 1, 2026 |
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Atmosphere BLUE 316500K* | 184 | $39 |
| Blueair 3431101000 | 182 | $38 |
| Blueair 4412311000 | 181 | $38 |
| WOOZOO APF-25 | 179 | $38 |
| Govee H7122 | 175 | $37 |
| GoveeLife H7122 | 175 | $37 |
| CLOROX 11010 | 169 | $36 |
| AirDoctor AD1500 | 166 | $35 |
- 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