Hubbell ME50HPT 50-Gallon is a heat pump (hybrid electric) water heater from Hubbell with a 47 gallon rated tank and a 58 gallon first-hour rating at a 3.46 UEF — 938 kWh/yr certified use, 58.3 in tall.
Also sold as the Noritz ME50HPT-CN 50-Gallon. This model is the same certified
hardware as the Noritz ME50HPT-CN 50-Gallon, published under a
different brand — full details, comparisons, and pricing live on that page. The
certified figures below are identical.
Efficiency
Uniform Energy Factor (UEF)
3.46
Annual electricity use
938 kWh/yr
Recovery efficiency
373 %
General
Fuel
Electric
Capacity
First-hour rating
58 gal
Rated storage volume
47 gal
Draw pattern
Medium
Heat pump
Heat pump type
240 Volt Integrated HPWH
Refrigerant (GWP)
R-134a (GWP:1430)
Compressor low-temp cutoff
35 °F
Installation
Input voltage
240
Max current draw
23 A
Smart features
Smart / connected capable
No
Dimensions
Height
58.3 in
Diameter
28 in
Certification
ENERGY STAR certified
Yes
Who is the Hubbell ME50HPT 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.
Is the Hubbell ME50HPT 50-Gallon ENERGY STAR certified?
Yes, the Hubbell ME50HPT 50-Gallon holds a current ENERGY STAR certification for water heating efficiency (UEF 3.46).
How much does the Hubbell ME50HPT 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 Hubbell ME50HPT 50-Gallon need?
The Hubbell ME50HPT 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 Hubbell ME50HPT 50-Gallon a smart water heater?
No, the Hubbell ME50HPT 50-Gallon is not connected-capable — it has no app connectivity or demand-response support.
