AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50)
AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) is a heat pump (hybrid electric) water heater from AMERICAN STANDARD WATER HEATERS with a 45 gallon rated tank and a 68 gallon first-hour rating at a 3.75 UEF.
| Uniform Energy Factor (UEF) | 3.75 |
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| Annual electricity use | 867 kWh/yr |
| Recovery efficiency | 430 % |
| Fuel | Electric |
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| First-hour rating | 68 gal |
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| Rated storage volume | 45 gal |
| Draw pattern | Medium |
| Heat pump type | 240 Volt Integrated HPWH |
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| Refrigerant (GWP) | R-134a (GWP:1430) |
| Compressor low-temp cutoff | 35 °F |
| Input voltage | 240 |
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| Max current draw | 21 A |
| Smart / connected capable | Yes |
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| Height | 45.8 in |
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| Diameter | 18.2 in |
| ENERGY STAR certified | Yes |
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Who is the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) for?
- Its 68 gallon first-hour rating suits a household of 3–4 people under DOE sizing guidance.
- Estimated running cost: about $147/year at the national average electricity rate (867 kWh/yr certified use).
- Needs a 240 V circuit; at 21 A max draw plan for a 30 A breaker (NEC 125% continuous-load rule).
- The heat pump compressor operates down to 35 °F ambient — below that, backup elements take over.
Compare the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50)
- AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) vs A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2)
- AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) vs A. O. Smith Heat Pump 80-Gallon (HPS10-80H45DV 2)
- AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) vs A. O. Smith Heat Pump 80-Gallon (HPSN10-80H45DV 2)
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- AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) vs American Heat Pump 80-Gallon (HPA10280H045DV 2)
- AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) vs American Heat Pump 80-Gallon (HPS10280H045DV 2)
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- AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) vs Bosch Water heater 50-Gallon
Similar water heaters
- Ariston Heat Pump Water Heater 40-Gallon (ARIHPWH-50) (UEF 3.75)
- 1HVAC Heat pump water heater 50-Gallon (UEF 3.75)
- A. O. Smith Split System Heat Pump 40-Gallon (HPACO-45 1-+AXST-50T 1) (UEF 3.52)
- A. O. Smith Split System Heat Pump 40-Gallon (HPACO-45 1-+AXST-50TTTP 1) (UEF 3.52)
- A. O. Smith Split System Heat Pump 40-Gallon (HPACO-45C 1-+AXST-50TC 1) (UEF 3.52)
- A. O. Smith Split System Heat Pump 40-Gallon (HPACO-45C 1-+AXST-50TCTTP 1) (UEF 3.52)
Frequently asked questions
Is the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) ENERGY STAR certified?
Yes, the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) holds a current ENERGY STAR certification for water heating efficiency (UEF 3.75).
How much does the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) cost to run per year?
About $147 per year at national average energy rates, based on its certified annual energy use under the DOE test draw pattern. Your rate and usage change this figure.
What electrical circuit does the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) need?
The AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) runs on a 240 V circuit drawing up to 21 A; per the NEC 125% continuous-load rule plan for at least a 30 A breaker (check the installation manual for the required circuit).
Is the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) a smart water heater?
Yes, the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) is connected-capable, with app control and eligibility for most utility demand-response programs.
Sources
- data.energystar.gov (retrieved 2026-07-17)