Hot Water List

GE GP40T**AYV01

GE GP40T**AYV01 is in the DOE listing as of Oct 26, 2026.

It has a labeled size of 40 gallons, a certified storage volume of 40 gallons, a certified UEF of 0.62, and a certified first-hour rating of 68 gallons of hot water.

Its advertised UEF of 0.62 from GE matches the certified 0.62 (Read Oct 5, 2026).

  • Gas storage water heater
  • 1 listed model

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

Certified figures

Storage volume
40gallons
UEF
0.62Uniform energy factor
First-hour rating
68gallonsHot water in the first hour

Advertised and certified figures

GE GP40T**AYV01: advertised and certified
GE GP40T**AYV01: advertised and certified Size: advertised 40 gal, certified 40 gal (advertised nominal size, certified storage volume). UEF: advertised 0.62, certified 0.62. First-hour rating: advertised 68 gal, certified 68 gal. Size · advertised nominal size, certified storage volume Advertised 40 gal Certified 40 gal UEF Advertised 0.62 Certified 0.62 First-hour rating Advertised 68 gal Certified 68 gal
GE GP40T**AYV01: advertised figures, where and when read
FigureAdvertisedCertifiedAdvertiserRead
Size 40 gal, nominal size 40 gal storage volume GE Read Oct 5, 2026
UEF 0.62 0.62 GE Read Oct 5, 2026
First-hour rating 68 gal 68 gal GE Read Oct 5, 2026

Certified figures by listed model

GE GP40T**AYV01: certified figures by listed model
Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyDraw pattern
GP40T**AYV01400.626875%Medium

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

Sold as 40 gallons, it holds 40 gallons in the test. It delivers 68 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, 529 have a higher first-hour rating. Among gas storage models, the median first-hour rating is 78 gallons.

As of Oct 26, 2026, it was not listed as ENERGY STAR certified. In tests, 62% of the energy it uses ends up as hot water (UEF 0.62). The daily hot water use in the test, called its draw pattern, was medium. Among 288 gas storage models on its draw pattern, 71 have a higher UEF. For its type and draw pattern, the UEF runs from 0.57 to 0.75. When it reheats water in the test, 75% of the energy it uses ends up in the water.

Updated Oct 26, 2026 · Methodology

Not covered

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