AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) vs Lochinvar Heat Pump 80-Gallon (HPPA080KD 2)
The Lochinvar Heat Pump 80-Gallon (HPPA080KD 2) is the more efficient unit: UEF 3.88 versus 3.75 — about 3% 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 $217/year for the Lochinvar Heat Pump 80-Gallon (HPPA080KD 2) — a $70 annual difference. The Lochinvar Heat Pump 80-Gallon (HPPA080KD 2) delivers more hot water in the peak hour (95 gal first-hour rating vs 68 gal).
| AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) | Lochinvar Heat Pump 80-Gallon (HPPA080KD 2) | |
|---|---|---|
| Uniform Energy Factor (UEF) | 3.75 | 3.88 |
| Fuel | Electric | Electric |
| First-hour rating | 68 gal | 95 gal |
| Rated storage volume | 45 gal | 81 gal |
| Draw pattern | Medium | High |
| Annual electricity use | 867 kWh/yr | 1279 kWh/yr |
| Heat pump type | 240 Volt Integrated HPWH | 240 Volt Integrated HPWH |
| Input voltage | 240 | 240 |
| Max current draw | 21 A | 22 A |
| Recovery efficiency | 430 % | 428 % |
| Smart / connected capable | Yes | Yes |
| Refrigerant (GWP) | R-134a (GWP:1430) | R-134a (GWP:1430) |
| Compressor low-temp cutoff | 35 °F | 37 °F |
| Height | 45.8 in | 69 in |
| Diameter | 18.2 in | 27 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 Lochinvar Heat Pump 80-Gallon (HPPA080KD 2)?
The AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50): about $147/year versus $217/year for the Lochinvar Heat Pump 80-Gallon (HPPA080KD 2) at national average rates — a $70 annual difference.
Are the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) and Lochinvar Heat Pump 80-Gallon (HPPA080KD 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.