AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) vs Rheem Heat Pump 80-Gallon (PROPH80 T2 RH375-30)

The Rheem Heat Pump 80-Gallon (PROPH80 T2 RH375-30) is the more efficient unit: UEF 4.07 versus 3.75 — about 8% less energy for the same hot water. At national average rates that works out to about $147/year for the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) against $206/year for the Rheem Heat Pump 80-Gallon (PROPH80 T2 RH375-30) — a $59 annual difference. The Rheem Heat Pump 80-Gallon (PROPH80 T2 RH375-30) delivers more hot water in the peak hour (87 gal first-hour rating vs 68 gal). Only the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) is connected-capable (app control, utility programs).

AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) Rheem Heat Pump 80-Gallon (PROPH80 T2 RH375-30)
Uniform Energy Factor (UEF) 3.75 4.07
Fuel Electric Electric
First-hour rating 68 gal 87 gal
Rated storage volume 45 gal 72 gal
Draw pattern Medium High
Annual electricity use 867 kWh/yr 1213 kWh/yr
Heat pump type 240 Volt Integrated HPWH 240 Volt Integrated HPWH
Input voltage 240 240
Max current draw 21 A 21 A
Recovery efficiency 430 % 447 %
Smart / connected capable Yes No
Refrigerant (GWP) R-134a (GWP:1430) R-134a (GWP:1430)
Compressor low-temp cutoff 35 °F 37 °F
Height 45.8 in 47.2 in
Diameter 18.2 in 20 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) or the Rheem Heat Pump 80-Gallon (PROPH80 T2 RH375-30)?

The AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50): about $147/year versus $206/year for the Rheem Heat Pump 80-Gallon (PROPH80 T2 RH375-30) at national average rates — a $59 annual difference.

Are the AMERICAN STANDARD WATER HEATERS Heat Pump Water Heater 40-Gallon (ASHPWH-50) and Rheem Heat Pump 80-Gallon (PROPH80 T2 RH375-30) both ENERGY STAR certified?

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