Envirosense Reliance Home Comfort ENV-40N-RHC 1 40-Gallon vs Rheem PRO+G40-50U RH HE EC1 40-Gallon

Both water heaters carry the same efficiency rating: UEF 0.9. The Rheem PRO+G40-50U RH HE EC1 40-Gallon delivers more hot water in the peak hour (88 gal first-hour rating vs 86 gal).

Envirosense Reliance Home Comfort ENV-40N-RHC 1 40-Gallon Rheem PRO+G40-50U RH HE EC1 40-Gallon
Uniform Energy Factor (UEF) 0.9 0.9
Fuel Natural Gas Natural Gas
First-hour rating 86 gal 88 gal
Rated storage volume 38 gal 40 gal
Draw pattern High High
Annual gas use (natural gas) 188 therms/yr 188 therms/yr
Gas input rate 50 kBTU/h 50 kBTU/h
Max current draw 2 A 7 A
Vent type Power Vent Power Direct Vent
Recovery efficiency 91 % 97 %
Smart / connected capable No No
Annual propane use 205.46 gal/yr 205.46 gal/yr
Vent size 2 / 3 2 / 3
Height 44.7 in 54.5 in
Diameter 22 in 21.8 in
ENERGY STAR certified Yes Yes

Frequently asked questions

Which costs less to run, the Envirosense Reliance Home Comfort ENV-40N-RHC 1 40-Gallon or the Rheem PRO+G40-50U RH HE EC1 40-Gallon?

They are effectively tied: both cost about $273/year at national average energy rates under the DOE test draw pattern.

Are the Envirosense Reliance Home Comfort ENV-40N-RHC 1 40-Gallon and Rheem PRO+G40-50U RH HE EC1 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.