Hot Water List
Menu

Lochinvar GPVT-50 2**

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

  • Gas storage water heater
  • 4 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

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

Certified figures by listed model

Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyDraw pattern
PVL05050 2*1480.729781%High
PVL05050ST 2*1480.729781%High
PVN05050 2**480.729781%High
PVN05050ST 2**480.729781%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. Over one hour from a full tank, it gave 97 gallons in the test (its first-hour rating). 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. Among gas storage models, the median first-hour rating is 78 gallons.

On Oct 26, 2026, this heater was not listed as ENERGY STAR certified. In tests, 72% of the energy it uses ends up as hot water (UEF 0.72). Its test ran at the high level of daily hot water use. Its UEF is lower than that of 71 of the 434 gas storage models with its draw pattern. On its draw pattern, the median gas storage UEF is 0.66. When it reheats water in the test, 81% of the energy it uses ends up in the water.

All 4 of its model numbers carry the same certified figures. All of its test figures are shared by 6 other basic models. They are listed under 6 other brands, one each. For the full group, see the A. O. Smith GPVT-50 2** page.

It may qualify for 2 rebate programs in 2 states.

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.