AMERICAN STANDARD WATER HEATERS Water heaters: energy use and running cost
The average model uses 1,080 kWh a year, which costs $227 a year at 21.0¢/kWh.
Most efficient models
| Model | kWh/year | Cost/year |
|---|---|---|
| AMERICAN STANDARD WATER HEATERS ASHPWH-50***** | 867 | $182 |
| AMERICAN STANDARD WATER HEATERS ASHPWH-40***** | 907 | $191 |
| AMERICAN STANDARD WATER HEATERS ASHPWH-80***** | 1,238 | $260 |
| AMERICAN STANDARD WATER HEATERS ASHPWH-65***** | 1,289 | $271 |
- Refrigerators
- Freezers
- Washing machines
- Dishwashers
- Tumble dryers
- Room air conditioners
- Dehumidifiers
- Electric cooktops and ranges
- Televisions
- Computers
- Air purifiers
Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology