Lennox Heat Pump Water Heater 65-Gallon
Lennox Heat Pump Water Heater 65-Gallon is a heat pump (hybrid electric) water heater from Lennox with a 61 gallon rated tank and a 77 gallon first-hour rating at a 4.05 UEF.
| Uniform Energy Factor (UEF) | 4.05 |
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| Annual electricity use | 1225 kWh/yr |
| Recovery efficiency | 446 % |
| Fuel | Electric |
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| First-hour rating | 77 gal |
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| Rated storage volume | 61 gal |
| Draw pattern | High |
| Heat pump type | 240 Volt Integrated HPWH |
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| Refrigerant (GWP) | R-513A (GWP:630) |
| 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 | 50.5 in |
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| Diameter | 20.2 in |
| ENERGY STAR certified | Yes |
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Who is the Lennox Heat Pump Water Heater 65-Gallon for?
- Its 77 gallon first-hour rating suits a household of 5+ people under DOE sizing guidance.
- Estimated running cost: about $208/year at the national average electricity rate (1225 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.
Similar water heaters
- Ariston Heat Pump Water Heater 65-Gallon (ARIHPWH-65-T) (UEF 4.05)
- GE Profile Heat Pump 50-Gallon (PH50S10BPY01) (UEF 4.3)
- GE Profile Heat Pump 65-Gallon (PF65S10FPY01) (UEF 3.4)
- A. O. Smith Heat Pump 65-Gallon (HPTV-66 2) (UEF 3.2)
- A. O. Smith Heat Pump 65-Gallon (HPV10-66H01DV 2) (UEF 3.2)
- American Heat Pump 65-Gallon (HPV10266H009DV 2) (UEF 3.2)
Frequently asked questions
Is the Lennox Heat Pump Water Heater 65-Gallon ENERGY STAR certified?
Yes, the Lennox Heat Pump Water Heater 65-Gallon holds a current ENERGY STAR certification for water heating efficiency (UEF 4.05).
How much does the Lennox Heat Pump Water Heater 65-Gallon cost to run per year?
About $208 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 Lennox Heat Pump Water Heater 65-Gallon need?
The Lennox Heat Pump Water Heater 65-Gallon 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 Lennox Heat Pump Water Heater 65-Gallon a smart water heater?
Yes, the Lennox Heat Pump Water Heater 65-Gallon is connected-capable, with app control and eligibility for most utility demand-response programs.
Sources
- data.energystar.gov (retrieved 2026-07-17)