A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) vs Ruud Heat Pump 80-Gallon (PROUH80 T2 RU375-SO)
The Ruud Heat Pump 80-Gallon (PROUH80 T2 RU375-SO) is the more efficient unit: UEF 4.07 versus 3.88 — about 5% less energy for the same hot water. At national average rates that works out to about $206/year for the Ruud Heat Pump 80-Gallon (PROUH80 T2 RU375-SO) against $217/year for the A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) — a $11 annual difference. The A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) delivers more hot water in the peak hour (95 gal first-hour rating vs 87 gal). Only the A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) is connected-capable (app control, utility programs).
| A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) | Ruud Heat Pump 80-Gallon (PROUH80 T2 RU375-SO) | |
|---|---|---|
| Uniform Energy Factor (UEF) | 3.88 | 4.07 |
| Fuel | Electric | Electric |
| First-hour rating | 95 gal | 87 gal |
| Rated storage volume | 81 gal | 72 gal |
| Draw pattern | High | High |
| Annual electricity use | 1279 kWh/yr | 1213 kWh/yr |
| Heat pump type | 240 Volt Integrated HPWH | 240 Volt Integrated HPWH |
| Input voltage | 240 | 240 |
| Max current draw | 22 A | 21 A |
| Recovery efficiency | 428 % | 447 % |
| Smart / connected capable | Yes | No |
| Refrigerant (GWP) | R-134a (GWP:1430) | R-134a (GWP:1430) |
| Compressor low-temp cutoff | 37 °F | 37 °F |
| Height | 69 in | 47.2 in |
| Diameter | 27 in | 20 in |
| ENERGY STAR certified | Yes | Yes |
Frequently asked questions
Which costs less to run, the A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) or the Ruud Heat Pump 80-Gallon (PROUH80 T2 RU375-SO)?
The Ruud Heat Pump 80-Gallon (PROUH80 T2 RU375-SO): about $206/year versus $217/year for the A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) at national average rates — a $11 annual difference.
Are the A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2) and Ruud Heat Pump 80-Gallon (PROUH80 T2 RU375-SO) both ENERGY STAR certified?
Yes — every water heater in this database is drawn from the U.S. EPA ENERGY STAR certified water heater datasets.