Hot Water List

Ruud PROPG75-100U RH HE EC3

Ruud PROPG75-100U RH HE EC3 is in the DOE listing as of Oct 26, 2026. Ruud PROPG75-100U RH HE EC3 is in the ENERGY STAR list as of Oct 26, 2026.

  • Gas storage water heater
  • 2 listed models

Its figures are also listed under Rheem PROPG75-100U RH HE EC3.

Certified figures

Storage volume
75gallons
UEF
0.88Uniform energy factor
First-hour rating
199gallonsHot water in the first hour

Advertised and certified figures

Ruud PROPG75-100U RH HE EC3: advertised and certified
Ruud PROPG75-100U RH HE EC3: advertised and certified Size: advertised 75 gal, certified 75 gal (advertised nominal size, certified storage volume). Size: advertised 75 gal, certified 75 gal (certified storage volume). UEF: advertised 0.88, certified 0.88. First-hour rating: advertised 198 gal, certified 199 gal. Size · advertised nominal size, certified storage volume Advertised 75 gal Certified 75 gal Size · certified storage volume Advertised 75 gal Certified 75 gal UEF Advertised 0.88 Certified 0.88 First-hour rating Advertised 198 gal Certified 199 gal
Ruud PROPG75-100U RH HE EC3: advertised figures, where and when read
FigureAdvertisedCertifiedAdvertiserRead
Size 75 gal, nominal size 75 gal storage volume Ruud Read Oct 5, 2026
Size 75 gal 75 gal storage volume Ruud Read Oct 5, 2026
UEF 0.88 0.88 Ruud Read Oct 5, 2026
First-hour rating 198 gal 199 gal Ruud Read Oct 5, 2026
First-hour rating 167 gal 199 gal Ruud Read Oct 5, 2026

Certified figures by listed model

Ruud PROPG75-100U RH HE EC3: certified figures by listed model
Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyDraw pattern
PROUG75-100P RU HE EC3750.8819995%—
PROUG75-100U RU HE EC3750.8819995%—

UEF is the uniform energy factor. A dash means the model has no such figure.

ENERGY STAR certified models

Ruud PROPG75-100U RH HE EC3: ENERGY STAR certified models
Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiency
PROUG75-100P RU HE EC3750.8819995%
PROUG75-100U RU HE EC3750.8819995%

Sold as 75 gallons, it holds 75 gallons in the test. Starting full, it gives 199 gallons of hot water in its first hour of use. That is 124 gallons more than its tank holds, since it reheats during the hour. Of 763 gas storage models, one gives more hot water in the first hour. The median gas storage model gives 78 gallons in the first hour of the test.

All 2 of its model numbers are ENERGY STAR certified. In tests, 88% of the energy it uses ends up as hot water (UEF 0.88). The water took in 95% of the energy used to reheat it (its recovery efficiency).

It is sold as PROUG75-100P RU HE EC3 and PROUG75-100U RU HE EC3. Its test figures match those of 3 other basic models. Those basic models are sold with Friedrich, Rheem, and Richmond as their brand names. For the full group, see the Rheem PROPG75-100U RH HE EC3.

It may qualify for 3 rebate programs in 3 states. Another one rebate program may accept it if it meets their other terms.

Also listed as

They carry every figure in the table above.

Rebates

Programs change their terms. Check the program's own page before you buy.

Updated Oct 26, 2026 · Methodology

Not covered

  • Changes to an advertised figure after the date beside it.