A. O. Smith HPTA-50 2**: $186 a year to run
This model (Water heaters) uses 883 kWh of electricity a year, which costs about $186 a year and $1,856 over 10 years at 21.0¢/kWh.
Energy use
883 kWh
per year
Running cost per year
$186
21.0¢/kWh
Running cost over 10 years
$1,856
Efficiency rank
193 / 705
Product details
| Type | Hybrid/Electric Heat Pump |
|---|---|
| Heat pump type | 240 Volt Integrated HPWH |
| Fuel | Electric |
| Refrigerant | R-134a |
| Available since | March 1, 2024 |
Compared with the average model (Water heaters), this one saves about $41 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Friedrich PROH40 T2 FD310BM | 879 | $185 |
| Friedrich PROH40 T2 FD310UM | 879 | $185 |
| Friedrich PROH40 T2 FD350BM | 879 | $185 |
| Friedrich PROH40 T2 FD350UM | 879 | $185 |
| Rheem CPROPH40 T2 RH350BM | 879 | $185 |
| Rheem ECE H40 T2 RH310BM | 879 | $185 |
| Rheem ECEPH40 T2 RH350BM | 879 | $185 |
| Rheem PRO H40 T2 RH310BM | 879 | $185 |
- 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