LG APHWC502D 50-Gallon vs Noritz ME120HPT-CN 80-Gallon

The LG APHWC502D 50-Gallon is the more efficient unit: UEF 4.2 versus 3.38 — about 20% less energy for the same hot water. At national average rates that works out to about $201/year for the LG APHWC502D 50-Gallon against $249/year for the Noritz ME120HPT-CN 80-Gallon — a $48 annual difference. The Noritz ME120HPT-CN 80-Gallon delivers more hot water in the peak hour (105 gal first-hour rating vs 81 gal).

LG APHWC502D 50-Gallon Noritz ME120HPT-CN 80-Gallon
Uniform Energy Factor (UEF) 4.2 3.38
Fuel Electric Electric
First-hour rating 81 gal 105 gal
Rated storage volume 53 gal 109 gal
Draw pattern High High
Annual electricity use 1181 kWh/yr 1467 kWh/yr
Heat pump type 240 Volt Integrated HPWH 240 Volt Integrated HPWH
Input voltage 240 240
Max current draw 24 A 23 A
Recovery efficiency 440 % 355 %
Smart / connected capable No No
Refrigerant (GWP) R-134a (GWP:1430) R-134a (GWP:1430)
Compressor low-temp cutoff 23 °F 35 °F
Height 47.6 in 84.5 in
Diameter 19.7 in 30 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the LG APHWC502D 50-Gallon or the Noritz ME120HPT-CN 80-Gallon?

The LG APHWC502D 50-Gallon: about $201/year versus $249/year for the Noritz ME120HPT-CN 80-Gallon at national average rates — a $48 annual difference.

Are the LG APHWC502D 50-Gallon and Noritz ME120HPT-CN 80-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.