Bradford White RE2HP50-1NCTT 40-Gallon vs Rinnai REHP80 80-Gallon

The Rinnai REHP80 80-Gallon is the more efficient unit: UEF 4 versus 3.89 — about 3% less energy for the same hot water. At national average rates that works out to about $142/year for the Bradford White RE2HP50-1NCTT 40-Gallon against $208/year for the Rinnai REHP80 80-Gallon — a $66 annual difference. The Rinnai REHP80 80-Gallon delivers more hot water in the peak hour (91 gal first-hour rating vs 65 gal).

Bradford White RE2HP50-1NCTT 40-Gallon Rinnai REHP80 80-Gallon
Uniform Energy Factor (UEF) 3.89 4
Fuel Electric Electric
First-hour rating 65 gal 91 gal
Rated storage volume 45 gal 75 gal
Draw pattern Medium High
Annual electricity use 835 kWh/yr 1225 kWh/yr
Heat pump type 240 Volt Integrated HPWH 240 Volt Integrated HPWH
Input voltage 240 240
Max current draw 19 A 24 A
Recovery efficiency 445 % 454 %
Smart / connected capable No No
Refrigerant (GWP) R-134a (GWP:1430) R-134a (GWP:1430)
Compressor low-temp cutoff 37 °F 37.4 °F
Height 46.1 in 74.2 in
Diameter 18 in 25.7 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the Bradford White RE2HP50-1NCTT 40-Gallon or the Rinnai REHP80 80-Gallon?

The Bradford White RE2HP50-1NCTT 40-Gallon: about $142/year versus $208/year for the Rinnai REHP80 80-Gallon at national average rates — a $66 annual difference.

Are the Bradford White RE2HP50-1NCTT 40-Gallon and Rinnai REHP80 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.