LG APHWC502D 50-Gallon vs RELIANCE WATER HEATERS Heat Pump 80-Gallon (10-80-DHPTA 2)

The LG APHWC502D 50-Gallon is the more efficient unit: UEF 4.2 versus 3.88 — about 8% 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 $217/year for the RELIANCE WATER HEATERS Heat Pump 80-Gallon (10-80-DHPTA 2) — a $16 annual difference. The RELIANCE WATER HEATERS Heat Pump 80-Gallon (10-80-DHPTA 2) delivers more hot water in the peak hour (95 gal first-hour rating vs 81 gal). Only the RELIANCE WATER HEATERS Heat Pump 80-Gallon (10-80-DHPTA 2) is connected-capable (app control, utility programs).

LG APHWC502D 50-Gallon RELIANCE WATER HEATERS Heat Pump 80-Gallon (10-80-DHPTA 2)
Uniform Energy Factor (UEF) 4.2 3.88
Fuel Electric Electric
First-hour rating 81 gal 95 gal
Rated storage volume 53 gal 81 gal
Draw pattern High High
Annual electricity use 1181 kWh/yr 1279 kWh/yr
Heat pump type 240 Volt Integrated HPWH 240 Volt Integrated HPWH
Input voltage 240 240
Max current draw 24 A 22 A
Recovery efficiency 440 % 428 %
Smart / connected capable No Yes
Refrigerant (GWP) R-134a (GWP:1430) R-134a (GWP:1430)
Compressor low-temp cutoff 23 °F 37 °F
Height 47.6 in 69 in
Diameter 19.7 in 27 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the LG APHWC502D 50-Gallon or the RELIANCE WATER HEATERS Heat Pump 80-Gallon (10-80-DHPTA 2)?

The LG APHWC502D 50-Gallon: about $201/year versus $217/year for the RELIANCE WATER HEATERS Heat Pump 80-Gallon (10-80-DHPTA 2) at national average rates — a $16 annual difference.

Are the LG APHWC502D 50-Gallon and RELIANCE WATER HEATERS Heat Pump 80-Gallon (10-80-DHPTA 2) both ENERGY STAR certified?

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