Hot Water List
Menu

GE GG40T**AYV01

GE GG40T**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 0.68, and a certified first-hour rating of 82 gallons of hot water.

Its advertised UEF of 0.68 from GE matches the certified 0.68 (Read Oct 5, 2026).

  • Gas storage water heater
  • 1 listed model

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

Storage volume
40gallons
UEF
0.68Uniform energy factor
First-hour rating
82gallonsHot water in the first hour
See it among every gas storage model

Advertised and certified figures

GE GG40T**AYV01: advertised and certified
GE GG40T**AYV01: advertised and certified Size: advertised 40 gal, certified 40 gal (advertised nominal size, certified storage volume). UEF: advertised 0.68, certified 0.68. First-hour rating: advertised 82 gal, certified 82 gal. Size · advertised nominal size, certified storage volume Advertised 40 gal Certified 40 gal UEF Advertised 0.68 Certified 0.68 First-hour rating Advertised 82 gal Certified 82 gal
FigureAdvertisedCertifiedAdvertiserRead
Size 40 gal, nominal size 40 gal storage volume GE Read Oct 5, 2026
UEF 0.68 0.68 GE Read Oct 5, 2026
First-hour rating 82 gal 82 gal GE Read Oct 5, 2026

Certified figures by listed model

Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyDraw pattern
GG40T**AYV01400.688277%High

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 82 gallons of hot water in the test's first hour. That is 42 gallons more than its tank holds, since it reheats during the hour. Of 763 gas storage models, 280 give more hot water in the first hour. The median gas storage model gives 78 gallons in its first hour.

On Oct 26, 2026, this heater was not listed as ENERGY STAR certified. In tests, 68% of the energy it uses ends up as hot water (UEF 0.68). Its test simulated a day of high hot water use (its draw pattern). Of 434 gas storage models with the same draw pattern, 185 have a higher UEF. A UEF of 0.66 is the median for its type and draw pattern. When it reheats water in the test, 77% of the energy it uses ends up in the water.

It may qualify for 2 rebate programs in 2 states.

Rebates

ProgramStateStatusProgram page
Xcel Energy MINNESOTA RESIDENTIAL ENERGY EFFICIENCY PROGRAMS (gas storage, gas tankless) MN May qualify Its own page
Avista Home and small commercial: HVAC and water heating incentives (gas storage) WA 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.