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Ruud PROE28 S2 RH95 B

Ruud PROE28 S2 RH95 B is in the DOE listing as of Oct 19, 2026.

  • Electric storage water heater
  • 1 listed model

ENERGY STAR certification does not cover this type of water heater.

Its figures are also listed under Rheem PROE28 S2 RH95 B.

Storage volume
26gallons
UEF
0.92Uniform energy factor
First-hour rating
45gallonsHot water in the first hour
See it among every electric storage model

Advertised and certified figures

Ruud PROE28 S2 RH95 B: advertised and certified
Ruud PROE28 S2 RH95 B: advertised and certified Size: advertised 28 gal, certified 26 gal (advertised nominal size, certified storage volume). Size: advertised 26 gal, certified 26 gal (certified storage volume). UEF: advertised 0.92, certified 0.92. First-hour rating: advertised 45 gal, certified 45 gal. Size · advertised nominal size, certified storage volume Advertised 28 gal Certified 26 gal Size · certified storage volume Advertised 26 gal Certified 26 gal UEF Advertised 0.92 Certified 0.92 First-hour rating Advertised 45 gal Certified 45 gal
FigureAdvertisedCertifiedAdvertiserRead
Size 28 gal, nominal size 26 gal storage volume Ruud Read Oct 5, 2026
Size 26 gal 26 gal storage volume Ruud Read Oct 5, 2026
UEF 0.92 0.92 Ruud Read Oct 5, 2026
First-hour rating 45 gal 45 gal Ruud Read Oct 5, 2026

Certified figures by listed model

Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyDraw pattern
PROE28 S2 RU95 B260.924598%Low

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

It holds 26 gallons in the test, 2 gallons less than its 28-gallon sold size. It delivers 45 gallons of hot water in the test's first hour. Its tank holds 26 gallons, so reheating adds 19 gallons during the first hour. Among 477 electric storage models, 377 have a higher first-hour rating. The median electric storage model gives 55 gallons in its first hour.

In the test, 8% of its energy does not reach the hot water (UEF 0.92). In the test, daily hot water use was set to low (its draw pattern). Among 157 electric storage models on its draw pattern, 12 have a higher UEF. On its draw pattern, its UEF is also the median electric storage UEF. The water took in 98% of the energy used to reheat it (its recovery efficiency).

All of its test figures are shared by 7 other basic models. Besides this brand, 5 brands list one or more of them. You can find the whole group on the page for the Rheem PROE28 S2 RH95 B.

Also listed as

They carry every figure in the table above.

Updated Oct 19, 2026 · Methodology

Not covered

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