Bosch Water heater 50-Gallon vs LG APHWC502L 50-Gallon

The LG APHWC502L 50-Gallon is the more efficient unit: UEF 4.2 versus 3.75 — about 11% less energy for the same hot water. At national average rates that works out to about $145/year for the Bosch Water heater 50-Gallon against $201/year for the LG APHWC502L 50-Gallon — a $56 annual difference. The LG APHWC502L 50-Gallon delivers more hot water in the peak hour (81 gal first-hour rating vs 69 gal). Only the Bosch Water heater 50-Gallon is connected-capable (app control, utility programs).

Bosch Water heater 50-Gallon LG APHWC502L 50-Gallon
Uniform Energy Factor (UEF) 3.75 4.2
Fuel Electric Electric
First-hour rating 69 gal 81 gal
Rated storage volume 47 gal 53 gal
Draw pattern Medium High
Annual electricity use 855 kWh/yr 1181 kWh/yr
Heat pump type 240 Volt Integrated HPWH 240 Volt Integrated HPWH
Input voltage 240 240
Max current draw 24 A 24 A
Recovery efficiency 430 % 440 %
Smart / connected capable Yes No
Refrigerant (GWP) R-134a (GWP:1430) R-134a (GWP:1430)
Compressor low-temp cutoff 37.4 °F 23 °F
Height 47.9 in 47.6 in
Diameter 18.3 in 19.7 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the Bosch Water heater 50-Gallon or the LG APHWC502L 50-Gallon?

The Bosch Water heater 50-Gallon: about $145/year versus $201/year for the LG APHWC502L 50-Gallon at national average rates — a $56 annual difference.

Are the Bosch Water heater 50-Gallon and LG APHWC502L 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.