Bradford White RE2HP50-1NCTT 40-Gallon vs Navien NWP500 40-Gallon

The Bradford White RE2HP50-1NCTT 40-Gallon is the more efficient unit: UEF 3.89 versus 3.85 — about 1% 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 $143/year for the Navien NWP500 40-Gallon — a $1 annual difference.

Bradford White RE2HP50-1NCTT 40-Gallon Navien NWP500 40-Gallon
Uniform Energy Factor (UEF) 3.89 3.85
Fuel Electric Electric
First-hour rating 65 gal 65 gal
Rated storage volume 45 gal 44 gal
Draw pattern Medium Medium
Annual electricity use 835 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 445 % 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 46.1 in 63 in
Diameter 18 in 21.8 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the Bradford White RE2HP50-1NCTT 40-Gallon or the Navien NWP500 40-Gallon?

The Bradford White RE2HP50-1NCTT 40-Gallon: about $142/year versus $143/year for the Navien NWP500 40-Gallon at national average rates — a $1 annual difference.

Are the Bradford White RE2HP50-1NCTT 40-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.