Rheem Heat Pump 65-Gallon (PROPH65 T2 RH375-30) vs Rinnai REHP50 50-Gallon
The Rheem Heat Pump 65-Gallon (PROPH65 T2 RH375-30) is the more efficient unit: UEF 4.05 versus 3.75 — about 7% less energy for the same hot water. At national average rates that works out to about $143/year for the Rinnai REHP50 50-Gallon against $201/year for the Rheem Heat Pump 65-Gallon (PROPH65 T2 RH375-30) — a $58 annual difference. The Rheem Heat Pump 65-Gallon (PROPH65 T2 RH375-30) delivers more hot water in the peak hour (75 gal first-hour rating vs 73 gal).
| Rheem Heat Pump 65-Gallon (PROPH65 T2 RH375-30) | Rinnai REHP50 50-Gallon | |
|---|---|---|
| Uniform Energy Factor (UEF) | 4.05 | 3.75 |
| Fuel | Electric | Electric |
| First-hour rating | 75 gal | 73 gal |
| Rated storage volume | 59 gal | 46 gal |
| Draw pattern | High | Medium |
| Annual electricity use | 1184 kWh/yr | 844 kWh/yr |
| Heat pump type | 240 Volt Integrated HPWH | 240 Volt Integrated HPWH |
| Input voltage | 240 | 240 |
| Max current draw | 21 A | 24 A |
| Recovery efficiency | 457 % | 465 % |
| Smart / connected capable | No | No |
| Refrigerant (GWP) | R-134a (GWP:1430) | R-134a (GWP:1430) |
| Compressor low-temp cutoff | 37 °F | 37.4 °F |
| Height | 47.2 in | 66.4 in |
| Diameter | 20 in | 21.7 in |
| ENERGY STAR certified | Yes | Yes |
Frequently asked questions
Which costs less to run, the Rheem Heat Pump 65-Gallon (PROPH65 T2 RH375-30) or the Rinnai REHP50 50-Gallon?
The Rinnai REHP50 50-Gallon: about $143/year versus $201/year for the Rheem Heat Pump 65-Gallon (PROPH65 T2 RH375-30) at national average rates — a $58 annual difference.
Are the Rheem Heat Pump 65-Gallon (PROPH65 T2 RH375-30) and Rinnai REHP50 50-Gallon both ENERGY STAR certified?
Yes — every water heater in this database is drawn from the U.S. EPA ENERGY STAR certified water heater datasets.