A. O. Smith HPTS-66 2**: $259 a year to run
This model (Water heaters) uses 1,233 kWh of electricity a year, which costs about $259 a year and $2,591 over 10 years at 21.0¢/kWh.
Energy use
1,233 kWh
per year
Running cost per year
$259
21.0¢/kWh
Running cost over 10 years
$2,591
Efficiency rank
472 / 705
Product details
| Type | Hybrid/Electric Heat Pump |
|---|---|
| Heat pump type | 240 Volt Integrated HPWH |
| Fuel | Electric |
| Refrigerant | R-134a |
| Available since | June 6, 2022 |
Compared with the average model (Water heaters), this one costs about $32 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Midea CAN3-RSJ-15/300RDVN3-L4 | 1,230 | $259 |
| Midea MAHW-80VN3B | 1,230 | $259 |
| Midea MCHW-80VN3B | 1,230 | $259 |
| Midea US3-RSJ-15/300RDVN3-L4 | 1,230 | $259 |
| Rinnai REHP80CW | 1,230 | $259 |
| Rinnai REHP80W | 1,230 | $259 |
| Ariston ARIHPWH-65-T | 1,225 | $257 |
| Lennox WHHP065T45MD240S**** | 1,225 | $257 |
- 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