Friedrich Heat Pump 65-Gallon (PROH65 T2 FD400-30) vs Rinnai REHP80BM 80-Gallon
The Friedrich Heat Pump 65-Gallon (PROH65 T2 FD400-30) is the more efficient unit: UEF 4.05 versus 4 — about 1% less energy for the same hot water. At national average rates that works out to about $201/year for the Friedrich Heat Pump 65-Gallon (PROH65 T2 FD400-30) against $208/year for the Rinnai REHP80BM 80-Gallon — a $7 annual difference. The Rinnai REHP80BM 80-Gallon delivers more hot water in the peak hour (91 gal first-hour rating vs 75 gal).
| Friedrich Heat Pump 65-Gallon (PROH65 T2 FD400-30) | Rinnai REHP80BM 80-Gallon | |
|---|---|---|
| Uniform Energy Factor (UEF) | 4.05 | 4 |
| Fuel | Electric | Electric |
| First-hour rating | 75 gal | 91 gal |
| Rated storage volume | 59 gal | 75 gal |
| Draw pattern | High | High |
| Annual electricity use | 1184 kWh/yr | 1225 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 % | 454 % |
| 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 | 64.2 in | 74.2 in |
| Diameter | 24.3 in | 25.7 in |
| ENERGY STAR certified | Yes | Yes |
Frequently asked questions
Which costs less to run, the Friedrich Heat Pump 65-Gallon (PROH65 T2 FD400-30) or the Rinnai REHP80BM 80-Gallon?
The Friedrich Heat Pump 65-Gallon (PROH65 T2 FD400-30): about $201/year versus $208/year for the Rinnai REHP80BM 80-Gallon at national average rates — a $7 annual difference.
Are the Friedrich Heat Pump 65-Gallon (PROH65 T2 FD400-30) and Rinnai REHP80BM 80-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.