Noritz ME50HPT-CN 50-Gallon vs Richmond Heat Pump 40-Gallon (10E40-HP530)

The Richmond Heat Pump 40-Gallon (10E40-HP530) is the more efficient unit: UEF 3.83 versus 3.46 — about 10% less energy for the same hot water. At national average rates that works out to about $146/year for the Richmond Heat Pump 40-Gallon (10E40-HP530) against $159/year for the Noritz ME50HPT-CN 50-Gallon — a $13 annual difference. The Richmond Heat Pump 40-Gallon (10E40-HP530) delivers more hot water in the peak hour (60 gal first-hour rating vs 58 gal).

Noritz ME50HPT-CN 50-Gallon Richmond Heat Pump 40-Gallon (10E40-HP530)
Uniform Energy Factor (UEF) 3.46 3.83
Fuel Electric Electric
First-hour rating 58 gal 60 gal
Rated storage volume 47 gal 36 gal
Draw pattern Medium Medium
Annual electricity use 938 kWh/yr 859 kWh/yr
Heat pump type 240 Volt Integrated HPWH 240 Volt Integrated HPWH
Input voltage 240 240
Max current draw 23 A 21 A
Recovery efficiency 373 % 434 %
Smart / connected capable No No
Refrigerant (GWP) R-134a (GWP:1430) R-134a (GWP:1430)
Compressor low-temp cutoff 35 °F 37 °F
Height 58.3 in 47.2 in
Diameter 28 in 20 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the Noritz ME50HPT-CN 50-Gallon or the Richmond Heat Pump 40-Gallon (10E40-HP530)?

The Richmond Heat Pump 40-Gallon (10E40-HP530): about $146/year versus $159/year for the Noritz ME50HPT-CN 50-Gallon at national average rates — a $13 annual difference.

Are the Noritz ME50HPT-CN 50-Gallon and Richmond Heat Pump 40-Gallon (10E40-HP530) both ENERGY STAR certified?

Yes — every water heater in this database is drawn from the U.S. EPA ENERGY STAR certified water heater datasets.