Noritz ME50HPT-CN 50-Gallon
Noritz ME50HPT-CN 50-Gallon is a heat pump (hybrid electric) water heater from Noritz with a 47 gallon rated tank and a 58 gallon first-hour rating at a 3.46 UEF.
| Uniform Energy Factor (UEF) | 3.46 |
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| Annual electricity use | 938 kWh/yr |
| Recovery efficiency | 373 % |
| Fuel | Electric |
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| First-hour rating | 58 gal |
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| Rated storage volume | 47 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 | 23 A |
| Smart / connected capable | No |
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| Height | 58.3 in |
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| Diameter | 28 in |
| ENERGY STAR certified | Yes |
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Who is the Noritz ME50HPT-CN 50-Gallon for?
- Its 58 gallon first-hour rating suits a household of 2–3 people under DOE sizing guidance.
- Estimated running cost: about $159/year at the national average electricity rate (938 kWh/yr certified use).
- Needs a 240 V circuit; at 23 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 Noritz ME50HPT-CN 50-Gallon
- Noritz ME50HPT-CN 50-Gallon vs A. O. Smith Heat Pump 80-Gallon (HPA10-80H45DV 2)
- Noritz ME50HPT-CN 50-Gallon vs A. O. Smith Heat Pump 80-Gallon (HPS10-80H45DV 2)
- Noritz ME50HPT-CN 50-Gallon vs A. O. Smith Heat Pump 80-Gallon (HPSN10-80H45DV 2)
- Noritz ME50HPT-CN 50-Gallon vs American Heat Pump 65-Gallon (HPA10266H045DV 2)
- Noritz ME50HPT-CN 50-Gallon vs American Heat Pump 80-Gallon (HPA10280H045DV 2)
- Noritz ME50HPT-CN 50-Gallon vs American Heat Pump 80-Gallon (HPS10280H045DV 2)
- Noritz ME50HPT-CN 50-Gallon vs AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50)
- Noritz ME50HPT-CN 50-Gallon vs AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 65-Gallon
Similar water heaters
- Hubbell ME50HPT 50-Gallon (UEF 3.46)
- VAUGHN THERMAL ME50HPT 50-Gallon (UEF 3.46)
- VAUGHN THERMAL ME50HPT-CN 50-Gallon (UEF 3.46)
- Eco-Logical OMNI-50HP2-1A 50-Gallon (UEF 4.23)
- GE Profile Heat Pump 50-Gallon (PF50S10FPY01) (UEF 3.2)
- Friedrich Heat Pump 40-Gallon (PROH40 T2 FD310BM) (UEF 3.5)
Frequently asked questions
Is the Noritz ME50HPT-CN 50-Gallon ENERGY STAR certified?
Yes, the Noritz ME50HPT-CN 50-Gallon holds a current ENERGY STAR certification for water heating efficiency (UEF 3.46).
How much does the Noritz ME50HPT-CN 50-Gallon cost to run per year?
About $159 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 Noritz ME50HPT-CN 50-Gallon need?
The Noritz ME50HPT-CN 50-Gallon runs on a 240 V circuit drawing up to 23 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 Noritz ME50HPT-CN 50-Gallon a smart water heater?
No, the Noritz ME50HPT-CN 50-Gallon is not connected-capable — it has no app connectivity or demand-response support.
Sources
- data.energystar.gov (retrieved 2026-07-17)