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GSW WATER HEATERS GPVT-50 2**

GSW WATER HEATERS GPVT-50 2** is in the DOE listing as of Oct 26, 2026.

  • Gas storage water heater
  • 2 listed models

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

Its figures are also listed under A. O. Smith GPVT-50 2**.

Storage volume
48gallons
UEF
0.72Uniform energy factor
First-hour rating
97gallonsHot water in the first hour
See it among every gas storage model

Advertised and certified figures

GSW WATER HEATERS GPVT-50 2**: advertised and certified
GSW WATER HEATERS GPVT-50 2**: advertised and certified Size: advertised 50 gal, certified 48 gal (advertised nominal size, certified storage volume). UEF: advertised 0.72, certified 0.72. First-hour rating: advertised 96 gal, certified 97 gal. Size · advertised nominal size, certified storage volume Advertised 50 gal Certified 48 gal UEF Advertised 0.72 Certified 0.72 First-hour rating Advertised 96 gal Certified 97 gal
FigureAdvertisedCertifiedAdvertiserRead
Size 50 gal, nominal size 48 gal storage volume GSW WATER HEATERS Read Oct 5, 2026
UEF 0.72 0.72 GSW WATER HEATERS Read Oct 5, 2026
First-hour rating 96 gal 97 gal GSW WATER HEATERS Read Oct 5, 2026

Certified figures by listed model

Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyDraw pattern
G650T50N-PV-ES2 2**480.729781%High
G650T50P-PV-ES2 2*1480.729781%High

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

It holds 48 gallons in the test, 2 gallons less than its 50-gallon sold size. Starting full, it gives 97 gallons of hot water in its first hour of use. That is 49 gallons more than its tank holds, since it reheats during the hour. Among 763 gas storage models, 98 have a higher first-hour rating. The median gas storage model gives 78 gallons in the first hour of the test.

It was not listed as ENERGY STAR certified on Oct 26, 2026. In the test, 28% of its energy does not reach the hot water (UEF 0.72). Its test simulated a day of high hot water use (its draw pattern). Among 434 gas storage models on its draw pattern, 71 have a higher UEF. For its type and draw pattern, the UEF runs from 0.61 to 0.90. When it reheats water in the test, 81% of the energy it uses ends up in the water.

Its 2 model numbers are G650T50N-PV-ES2 2** and G650T50P-PV-ES2 2*1. All of its test figures are shared by 6 other basic models. Each of the 6 other brands lists one of them. You can find the whole group on the page for the A. O. Smith GPVT-50 2**.

In 2 states, 2 rebate programs may accept it.

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
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.