Friedrich Heat Pump 40-Gallon (PROH40 T2 FD400-30) vs Noritz ME50HPT-CN 50-Gallon

The Friedrich Heat Pump 40-Gallon (PROH40 T2 FD400-30) 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 Friedrich Heat Pump 40-Gallon (PROH40 T2 FD400-30) against $159/year for the Noritz ME50HPT-CN 50-Gallon — a $13 annual difference. The Friedrich Heat Pump 40-Gallon (PROH40 T2 FD400-30) delivers more hot water in the peak hour (60 gal first-hour rating vs 58 gal).

Friedrich Heat Pump 40-Gallon (PROH40 T2 FD400-30) Noritz ME50HPT-CN 50-Gallon
Uniform Energy Factor (UEF) 3.83 3.46
Fuel Electric Electric
First-hour rating 60 gal 58 gal
Rated storage volume 36 gal 47 gal
Draw pattern Medium Medium
Annual electricity use 859 kWh/yr 938 kWh/yr
Heat pump type 240 Volt Integrated HPWH 240 Volt Integrated HPWH
Input voltage 240 240
Max current draw 21 A 23 A
Recovery efficiency 434 % 373 %
Smart / connected capable No No
Refrigerant (GWP) R-134a (GWP:1430) R-134a (GWP:1430)
Compressor low-temp cutoff 37 °F 35 °F
Height 62.3 in 58.3 in
Diameter 20.3 in 28 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the Friedrich Heat Pump 40-Gallon (PROH40 T2 FD400-30) or the Noritz ME50HPT-CN 50-Gallon?

The Friedrich Heat Pump 40-Gallon (PROH40 T2 FD400-30): about $146/year versus $159/year for the Noritz ME50HPT-CN 50-Gallon at national average rates — a $13 annual difference.

Are the Friedrich Heat Pump 40-Gallon (PROH40 T2 FD400-30) and Noritz ME50HPT-CN 50-Gallon both ENERGY STAR certified?

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