Ariston ARIHPWH-50-T: $178 a year to run
This model (Water heaters) uses 848 kWh of electricity a year, which costs about $178 a year and $1,782 over 10 years at 21.0¢/kWh.
Energy use
848 kWh
per year
Running cost per year
$178
21.0¢/kWh
Running cost over 10 years
$1,782
Efficiency rank
94 / 705
Product details
| Type | Hybrid/Electric Heat Pump |
|---|---|
| Heat pump type | 240 Volt Integrated HPWH |
| Fuel | Electric |
| Refrigerant | R-513A |
| Available since | June 1, 2025 |
Compared with the average model (Water heaters), this one saves about $49 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Friedrich PROH50 T2 FD400-15 | 846 | $178 |
| Friedrich PROH50 T2 FD400-30 | 846 | $178 |
| Friedrich PROH50 T2 FD400-SO | 846 | $178 |
| Friedrich PROH50 T2 FD400-Z30 | 846 | $178 |
| Rheem CPROPH50 T2 RH375-SO | 846 | $178 |
| Rheem CPROPH50 T2 RH400-15 | 846 | $178 |
| Rheem CPROPH50 T2 RH400-30 | 846 | $178 |
| Rheem CPROPH50 T2 RH400-SO | 846 | $178 |
- 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