Bradford White RE2HP65-1NCTT 65-Gallon vs Navien NWP500 40-Gallon

The Bradford White RE2HP65-1NCTT 65-Gallon is the more efficient unit: UEF 4.2 versus 3.85 — about 8% less energy for the same hot water. At national average rates that works out to about $143/year for the Navien NWP500 40-Gallon against $201/year for the Bradford White RE2HP65-1NCTT 65-Gallon — a $58 annual difference. The Bradford White RE2HP65-1NCTT 65-Gallon delivers more hot water in the peak hour (82 gal first-hour rating vs 65 gal).

Bradford White RE2HP65-1NCTT 65-Gallon Navien NWP500 40-Gallon
Uniform Energy Factor (UEF) 4.2 3.85
Fuel Electric Electric
First-hour rating 82 gal 65 gal
Rated storage volume 65 gal 44 gal
Draw pattern High Medium
Annual electricity use 1181 kWh/yr 840 kWh/yr
Heat pump type 240 Volt Integrated HPWH 240 Volt Integrated HPWH
Input voltage 240 240
Max current draw 19 A 23 A
Recovery efficiency 462 % 461 %
Smart / connected capable No No
Refrigerant (GWP) R-134a (GWP:1430) R-134a (GWP:1430)
Compressor low-temp cutoff 37 °F 41 °F
Height 44.6 in 63 in
Diameter 22 in 21.8 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the Bradford White RE2HP65-1NCTT 65-Gallon or the Navien NWP500 40-Gallon?

The Navien NWP500 40-Gallon: about $143/year versus $201/year for the Bradford White RE2HP65-1NCTT 65-Gallon at national average rates — a $58 annual difference.

Are the Bradford White RE2HP65-1NCTT 65-Gallon and Navien NWP500 40-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.