Rinnai REHP80 80-Gallon (REHP80C) vs Rinnai REHP80BM 80-Gallon

Both water heaters carry the same efficiency rating: UEF 4.

Rinnai REHP80 80-Gallon (REHP80C) Rinnai REHP80BM 80-Gallon
Uniform Energy Factor (UEF) 4 4
Fuel Electric Electric
First-hour rating 91 gal 91 gal
Rated storage volume 75 gal 75 gal
Draw pattern High High
Annual electricity use 1225 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 454 % 454 %
Smart / connected capable No No
Refrigerant (GWP) R-134a (GWP:1430) R-134a (GWP:1430)
Compressor low-temp cutoff 37.4 °F 37.4 °F
Height 74.2 in 74.2 in
Diameter 25.7 in 25.7 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the Rinnai REHP80 80-Gallon (REHP80C) or the Rinnai REHP80BM 80-Gallon?

They are effectively tied: both cost about $208/year at national average energy rates under the DOE test draw pattern.

Are the Rinnai REHP80 80-Gallon (REHP80C) and Rinnai REHP80BM 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.