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Ruud PROG40-36U RH67 PV*

Ruud PROG40-36U RH67 PV* is in the DOE listing as of Oct 26, 2026.

  • Gas storage water heater
  • 1 listed model

Not listed as ENERGY STAR certified on Oct 26, 2026.

Its figures are also listed under Rheem PROG40-36U RH67 PV*.

Storage volume
39gallons
UEF
0.64Uniform energy factor
First-hour rating
67gallonsHot water in the first hour
See it among every gas storage model

Advertised and certified figures

Ruud PROG40-36U RH67 PV*: advertised and certified
Ruud PROG40-36U RH67 PV*: advertised and certified Size: advertised 40 gal, certified 39 gal (advertised nominal size, certified storage volume). Size: advertised 38 gal, certified 39 gal (certified storage volume). UEF: advertised 0.64, certified 0.64. First-hour rating: advertised 67 gal, certified 67 gal. Size · advertised nominal size, certified storage volume Advertised 40 gal Certified 39 gal Size · certified storage volume Advertised 38 gal Certified 39 gal UEF Advertised 0.64 Certified 0.64 First-hour rating Advertised 67 gal Certified 67 gal
FigureAdvertisedCertifiedAdvertiserRead
Size 40 gal, nominal size 39 gal storage volume Ruud Read Oct 5, 2026
Size 38 gal 39 gal storage volume Ruud Read Oct 5, 2026
UEF 0.64 0.64 Ruud Read Oct 5, 2026
First-hour rating 67 gal 67 gal Ruud Read Oct 5, 2026

Certified figures by listed model

Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyDraw pattern
PROG40-36U RU67 PV*390.646774%Medium

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

It holds 39 gallons in the test, 1 gallon less than its 40-gallon sold size. It delivers 67 gallons of hot water in the test's first hour. That is 28 gallons more than its tank holds, since it reheats during the hour. Among 763 gas storage models, 552 have a higher first-hour rating. The median gas storage model gives 78 gallons in the first hour of the test.

On Oct 26, 2026, this heater was not listed as ENERGY STAR certified. In tests, 64% of the energy it uses ends up as hot water (UEF 0.64). Its test simulated a day of medium hot water use (its draw pattern). Among 288 gas storage models on its draw pattern, 43 have a higher UEF. On its draw pattern, the median gas storage UEF is 0.60. The water took in 74% of the energy used to reheat it (its recovery efficiency).

Its test figures match those of 2 other basic models. Of those, one or more are under the Rheem and Richmond brands. For the full group, see the Rheem PROG40-36U RH67 PV*.

It may qualify for one rebate program.

Also listed as

They carry every figure in the table above.

Rebates

ProgramStateStatusProgram page
Xcel Energy MINNESOTA RESIDENTIAL ENERGY EFFICIENCY PROGRAMS (gas storage, gas tankless) MN May qualify Its own page

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.