Ariston ARIHPWH-40: $191 a year to run
This model (Water heaters) uses 907 kWh of electricity a year, which costs about $191 a year and $1,906 over 10 years at 21.0¢/kWh.
Energy use
907 kWh
per year
Running cost per year
$191
21.0¢/kWh
Running cost over 10 years
$1,906
Efficiency rank
256 / 705
Product details
| Type | Hybrid/Electric Heat Pump |
|---|---|
| Heat pump type | 240 Volt Integrated HPWH |
| Fuel | Electric |
| Refrigerant | R-134a |
| Available since | December 13, 2024 |
Compared with the average model (Water heaters), this one saves about $36 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| A. O. Smith CAHP-40 2** | 902 | $190 |
| A. O. Smith HP1050H45DV 1** | 902 | $190 |
| A. O. Smith HP1050H45DVCTA-1** | 902 | $190 |
| A. O. Smith HPA10-40H45DV 2** | 902 | $190 |
| A. O. Smith HPTA-40 2** | 902 | $190 |
| A. O. Smith HPTU-50CTA 1** | 902 | $190 |
| A. O. Smith HPTU-50DR 1** | 902 | $190 |
| A. O. Smith HPTU-50N 1** | 902 | $190 |
- 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