AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) vs Ruud Heat Pump 65-Gallon (PROUH65 T0 RU120-M)
The AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) is the more efficient unit: UEF 3.75 versus 3.33 — about 11% less energy for the same hot water. At national average rates that works out to about $147/year for the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) against $165/year for the Ruud Heat Pump 65-Gallon (PROUH65 T0 RU120-M) — a $18 annual difference. The AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) delivers more hot water in the peak hour (68 gal first-hour rating vs 63 gal). Only the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) is connected-capable (app control, utility programs). Installation differs: the Ruud Heat Pump 65-Gallon (PROUH65 T0 RU120-M) runs on a 120 V circuit (often no new wiring), while the other needs a dedicated 240 V circuit.
| AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) | Ruud Heat Pump 65-Gallon (PROUH65 T0 RU120-M) | |
|---|---|---|
| Price (MSRP) | $1,991.85 | — |
| Uniform Energy Factor (UEF) | 3.75 | 3.33 |
| Fuel | Electric | Electric |
| First-hour rating | 68 gal | 63 gal |
| Rated storage volume | 45 gal | 59 gal |
| Draw pattern | Medium | Medium |
| Annual electricity use | 867 kWh/yr | 971 kWh/yr |
| Heat pump type | 240 Volt Integrated HPWH | 120 Volt Integrated HPWH |
| Input voltage | 240 | 120 |
| Max current draw | 21 A | 12 A |
| Recovery efficiency | 430 % | 398 % |
| Smart / connected capable | Yes | No |
| Refrigerant (GWP) | R-134a (GWP:1430) | R-134a (GWP:1430) |
| Compressor low-temp cutoff | 35 °F | 37 °F |
| Height | 45.8 in | 64.2 in |
| Diameter | 18.2 in | 24.3 in |
| ENERGY STAR certified | Yes | Yes |
Frequently asked questions
Which costs less to run, the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) or the Ruud Heat Pump 65-Gallon (PROUH65 T0 RU120-M)?
The AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50): about $147/year versus $165/year for the Ruud Heat Pump 65-Gallon (PROUH65 T0 RU120-M) at national average rates — a $18 annual difference.
Are the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) and Ruud Heat Pump 65-Gallon (PROUH65 T0 RU120-M) both ENERGY STAR certified?
Yes — every water heater in this database is drawn from the U.S. EPA ENERGY STAR certified water heater datasets.