Hot Water List

ECOSENSE water heaters

3 basic models and 4 listed models.

Certified figures by basic model

ECOSENSE basic models and their certified figures
Basic modelTypeStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyModel numbers
RHE40S Gas storage 370.838792% ECORHE40S
RHE40SP Gas storage 370.756887% ECORHE40SP
RHE50 Gas storage 460.808789% ECORHE50, ECORHE50P

A range means the models under one basic model differ. A dash means the model has no such figure.

Per unit of energy, its heat into water, or UEF, reaches 0.83. A UEF of 0.83 means less energy went into the water than was used. That UEF belongs to the RHE40S, a gas storage model. On this site, no model under this brand is ENERGY STAR certified.

Each one this brand lists is a gas storage water heater. Of its tanks, 2 share the highest first-hour rating: 87 gallons. In the test, a full tank reheats while those 87 gallons are drawn.

Among the 117 brands on this site, 62 list more model numbers than ECOSENSE. Of the other brands, 3 list at least one of this brand's basic model numbers. Of those, Rheem lists the most: 3 of this brand's 3.

Basic models shared with other brands

ECOSENSE basic models also listed under another brand
BrandShared basic models
Rheem3
Richmond3
Ruud3

Updated Oct 17, 2026 · Methodology