Rinnai REHP80: $257 a year to run
This model (Water heaters) uses 1,225 kWh of electricity a year, which costs about $257 a year and $2,575 over 10 years at 21.0¢/kWh.
Energy use
1,225 kWh
per year
Running cost per year
$257
21.0¢/kWh
Running cost over 10 years
$2,575
Efficiency rank
461 / 705
Product details
| Type | Hybrid/Electric Heat Pump |
|---|---|
| Heat pump type | 240 Volt Integrated HPWH |
| Fuel | Electric |
| Refrigerant | R-134a |
| Available since | August 20, 2024 |
Compared with the average model (Water heaters), this one costs about $31 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Friedrich PROH80 T2 FD400-30 | 1,213 | $255 |
| Friedrich PROH80 T2 FD400-SO | 1,213 | $255 |
| Friedrich PROH80 T2 FD400-Z30 | 1,213 | $255 |
| Rheem CPROPH80 T2 RH375-SO | 1,213 | $255 |
| Rheem CPROPH80 T2 RH400-30 | 1,213 | $255 |
| Rheem CPROPH80 T2 RH400-SO | 1,213 | $255 |
| Rheem CXE80T10H45U1 | 1,213 | $255 |
| Rheem CXE80T10HS45U1 | 1,213 | $255 |
- 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