Rinnai REHP80 80-Gallon (REHP80C) vs State Heat Pump 80-Gallon (HPSX-80-DHPT 2)
The Rinnai REHP80 80-Gallon (REHP80C) is the more efficient unit: UEF 4 versus 3.88 — about 3% less energy for the same hot water. At national average rates that works out to about $208/year for the Rinnai REHP80 80-Gallon (REHP80C) against $217/year for the State Heat Pump 80-Gallon (HPSX-80-DHPT 2) — a $9 annual difference. The State Heat Pump 80-Gallon (HPSX-80-DHPT 2) delivers more hot water in the peak hour (95 gal first-hour rating vs 91 gal). Only the State Heat Pump 80-Gallon (HPSX-80-DHPT 2) is connected-capable (app control, utility programs).
| Rinnai REHP80 80-Gallon (REHP80C) | State Heat Pump 80-Gallon (HPSX-80-DHPT 2) | |
|---|---|---|
| Uniform Energy Factor (UEF) | 4 | 3.88 |
| Fuel | Electric | Electric |
| First-hour rating | 91 gal | 95 gal |
| Rated storage volume | 75 gal | 82 gal |
| Draw pattern | High | High |
| Annual electricity use | 1225 kWh/yr | 1279 kWh/yr |
| Heat pump type | 240 Volt Integrated HPWH | 240 Volt Integrated HPWH |
| Input voltage | 240 | 240 |
| Max current draw | 24 A | 22 A |
| Recovery efficiency | 454 % | 430 % |
| Smart / connected capable | No | Yes |
| Refrigerant (GWP) | R-134a (GWP:1430) | R-134a (GWP:1430) |
| Compressor low-temp cutoff | 37.4 °F | 37 °F |
| Height | 74.2 in | 69 in |
| Diameter | 25.7 in | 27 in |
| ENERGY STAR certified | Yes | Yes |
Frequently asked questions
Which costs less to run, the Rinnai REHP80 80-Gallon (REHP80C) or the State Heat Pump 80-Gallon (HPSX-80-DHPT 2)?
The Rinnai REHP80 80-Gallon (REHP80C): about $208/year versus $217/year for the State Heat Pump 80-Gallon (HPSX-80-DHPT 2) at national average rates — a $9 annual difference.
Are the Rinnai REHP80 80-Gallon (REHP80C) and State Heat Pump 80-Gallon (HPSX-80-DHPT 2) both ENERGY STAR certified?
Yes — every water heater in this database is drawn from the U.S. EPA ENERGY STAR certified water heater datasets.