Rinnai REHP80BM 80-Gallon
Rinnai REHP80BM 80-Gallon is a heat pump (hybrid electric) water heater from Rinnai with a 75 gallon rated tank and a 91 gallon first-hour rating at a 4 UEF.
| Uniform Energy Factor (UEF) | 4 |
|---|---|
| Annual electricity use | 1225 kWh/yr |
| Recovery efficiency | 454 % |
| Fuel | Electric |
|---|
| First-hour rating | 91 gal |
|---|---|
| Rated storage volume | 75 gal |
| Draw pattern | High |
| Heat pump type | 240 Volt Integrated HPWH |
|---|---|
| Refrigerant (GWP) | R-134a (GWP:1430) |
| Compressor low-temp cutoff | 37.4 °F |
| Input voltage | 240 |
|---|---|
| Max current draw | 24 A |
| Smart / connected capable | No |
|---|
| Height | 74.2 in |
|---|---|
| Diameter | 25.7 in |
| ENERGY STAR certified | Yes |
|---|
Who is the Rinnai REHP80BM 80-Gallon for?
- Its 91 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 24 A max draw plan for a 30 A breaker (NEC 125% continuous-load rule).
- The heat pump compressor operates down to 37.4 °F ambient — below that, backup elements take over.
Compare the Rinnai REHP80BM 80-Gallon
- Rinnai REHP80BM 80-Gallon vs A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2)
- Rinnai REHP80BM 80-Gallon vs A. O. Smith Heat Pump 80-Gallon (HPS10-80H45DV 2)
- Rinnai REHP80BM 80-Gallon vs A. O. Smith Heat Pump 80-Gallon (HPSN10-80H45DV 2)
- Rinnai REHP80BM 80-Gallon vs American Heat Pump 65-Gallon (HPA10266H045DV 2)
- Rinnai REHP80BM 80-Gallon vs American Heat Pump 80-Gallon (HPA10280H045DV 2)
- Rinnai REHP80BM 80-Gallon vs American Heat Pump 80-Gallon (HPS10280H045DV 2)
- Rinnai REHP80BM 80-Gallon vs AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50)
- Rinnai REHP80BM 80-Gallon vs AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 65-Gallon
Similar water heaters
Frequently asked questions
Is the Rinnai REHP80BM 80-Gallon ENERGY STAR certified?
Yes, the Rinnai REHP80BM 80-Gallon holds a current ENERGY STAR certification for water heating efficiency (UEF 4).
How much does the Rinnai REHP80BM 80-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 Rinnai REHP80BM 80-Gallon need?
The Rinnai REHP80BM 80-Gallon runs on a 240 V circuit drawing up to 24 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 Rinnai REHP80BM 80-Gallon a smart water heater?
No, the Rinnai REHP80BM 80-Gallon is not connected-capable — it has no app connectivity or demand-response support.
Sources
- data.energystar.gov (retrieved 2026-07-17)