Rheem Heat Pump 65-Gallon (PRO H65 T2 RH310BM)
Rheem Heat Pump 65-Gallon (PRO H65 T2 RH310BM) is a heat pump (hybrid electric) water heater from Rheem with a 59 gallon rated tank and a 75 gallon first-hour rating at a 3.5 UEF.
| Uniform Energy Factor (UEF) | 3.5 |
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| Annual electricity use | 900 kWh/yr |
| Recovery efficiency | 409 % |
| Fuel | Electric |
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| First-hour rating | 75 gal |
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| Rated storage volume | 59 gal |
| Draw pattern | High |
| Heat pump type | 240 Volt Integrated HPWH |
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| Refrigerant (GWP) | R-134a (GWP:1430) |
| Compressor low-temp cutoff | 37 °F |
| Input voltage | 240 |
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| Max current draw | 21 A |
| Smart / connected capable | No |
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| Height | 64.2 in |
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| Diameter | 24.3 in |
| ENERGY STAR certified | Yes |
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Who is the Rheem Heat Pump 65-Gallon (PRO H65 T2 RH310BM) for?
- Its 75 gallon first-hour rating suits a household of 5+ people under DOE sizing guidance.
- Estimated running cost: about $153/year at the national average electricity rate (900 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 37 °F ambient — below that, backup elements take over.
Similar water heaters
- Carnot Labs, Inc Reservoir 50-Gallon (UEF 3.53)
- Friedrich Heat Pump 65-Gallon (PROH65 T2 FD310BM) (UEF 3.5)
- Friedrich Heat Pump 65-Gallon (PROH65 T2 FD310UM) (UEF 3.5)
- Friedrich Heat Pump 65-Gallon (PROH65 T2 FD350BM) (UEF 3.5)
- Friedrich Heat Pump 65-Gallon (PROH65 T2 FD350UM) (UEF 3.5)
- Friedrich Heat Pump 65-Gallon (PROH65 T2 FD400-30) (UEF 4.05)
Frequently asked questions
Is the Rheem Heat Pump 65-Gallon (PRO H65 T2 RH310BM) ENERGY STAR certified?
Yes, the Rheem Heat Pump 65-Gallon (PRO H65 T2 RH310BM) holds a current ENERGY STAR certification for water heating efficiency (UEF 3.5).
How much does the Rheem Heat Pump 65-Gallon (PRO H65 T2 RH310BM) cost to run per year?
About $153 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 Rheem Heat Pump 65-Gallon (PRO H65 T2 RH310BM) need?
The Rheem Heat Pump 65-Gallon (PRO H65 T2 RH310BM) 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 Rheem Heat Pump 65-Gallon (PRO H65 T2 RH310BM) a smart water heater?
No, the Rheem Heat Pump 65-Gallon (PRO H65 T2 RH310BM) is not connected-capable — it has no app connectivity or demand-response support.
Sources
- data.energystar.gov (retrieved 2026-07-17)