Bosch heat pump water heater 65-Gallon vs Rinnai REHP80 80-Gallon (REHP80C)

The Rinnai REHP80 80-Gallon (REHP80C) is the more efficient unit: UEF 4 versus 3.9 — about 3% less energy for the same hot water. At national average rates that works out to about $208/year for the Rinnai REHP80 80-Gallon (REHP80C) against $211/year for the Bosch heat pump water heater 65-Gallon — a $3 annual difference. The Rinnai REHP80 80-Gallon (REHP80C) delivers more hot water in the peak hour (91 gal first-hour rating vs 80 gal). Only the Bosch heat pump water heater 65-Gallon is connected-capable (app control, utility programs).

Bosch heat pump water heater 65-Gallon Rinnai REHP80 80-Gallon (REHP80C)
Uniform Energy Factor (UEF) 3.9 4
Fuel Electric Electric
First-hour rating 80 gal 91 gal
Rated storage volume 60 gal 75 gal
Draw pattern High High
Annual electricity use 1240 kWh/yr 1225 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 450 % 454 %
Smart / connected capable Yes No
Refrigerant (GWP) R-134a (GWP:1430) R-134a (GWP:1430)
Compressor low-temp cutoff 37.4 °F 37.4 °F
Height 45.5 in 74.2 in
Diameter 21.8 in 25.7 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the Bosch heat pump water heater 65-Gallon or the Rinnai REHP80 80-Gallon (REHP80C)?

The Rinnai REHP80 80-Gallon (REHP80C): about $208/year versus $211/year for the Bosch heat pump water heater 65-Gallon at national average rates — a $3 annual difference.

Are the Bosch heat pump water heater 65-Gallon and Rinnai REHP80 80-Gallon (REHP80C) both ENERGY STAR certified?

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