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Friedrich XE55T12CS55U0

Friedrich XE55T12CS55U0 is in the DOE listing as of Oct 19, 2026.

  • Electric storage water heater
  • 5 listed models

ENERGY STAR certification does not cover this type of water heater.

Its figures are also listed under Rheem XE55T12CS55U0.

Storage volume
55gallons
UEF
0.92Uniform energy factor
First-hour rating
74gallonsHot water in the first hour
See it among every electric storage model

Advertised and certified figures

Friedrich XE55T12CS55U0: advertised and certified
Friedrich XE55T12CS55U0: advertised and certified Size: advertised 55 gal, certified 55 gal (advertised nominal size, certified storage volume). Size: advertised 55 gal, certified 55 gal (certified storage volume). UEF: advertised 0.92, certified 0.92. First-hour rating: advertised 72 gal, certified 74 gal. Size · advertised nominal size, certified storage volume Advertised 55 gal Certified 55 gal Size · certified storage volume Advertised 55 gal Certified 55 gal UEF Advertised 0.92 Certified 0.92 First-hour rating Advertised 72 gal Certified 74 gal
FigureAdvertisedCertifiedAdvertiserRead
Size 55 gal, nominal size 55 gal storage volume Friedrich Read Oct 4, 2026
Size 55 gal 55 gal storage volume Friedrich Read Oct 4, 2026
UEF 0.92 0.92 Friedrich Read Oct 4, 2026
First-hour rating 72 gal 74 gal Friedrich Read Oct 4, 2026

Certified figures by listed model

Model numberStorage volume (gal)UEFFirst-hour rating (gal)Recovery efficiencyDraw pattern
12PROE 55 T2 FD CG550.927498%Medium
12PROE 55 T2 FD92 CS550.927498%Medium
6PROE55 T2 FD CG550.927498%Medium
8PROE 55 T2 FD CG550.927498%Medium
8PROE 55 T2 FD92 CL550.927498%Medium

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

Sold as 55 gallons, it holds 55 gallons in the test. Over one hour from a full tank, it gave 74 gallons in the test (its first-hour rating). That is 19 gallons more than its tank holds, since it reheats during the hour. In the first hour, 23 of the 477 electric storage models give more hot water. The median electric storage model gives 55 gallons in its first hour.

In tests, 92% of the energy it uses ends up as hot water (UEF 0.92). In the test, daily hot water use was set to medium (its draw pattern). Of 297 electric storage models with the same draw pattern, 81 have a higher UEF and 2 a lower one. On its draw pattern, its UEF is also the median electric storage UEF. When it reheats water in the test, 98% of the energy it uses ends up in the water.

It is sold under 5 model numbers in all. There are 3 more basic models with the same test figures. Those basic models are sold with Rheem, Richmond, and Ruud as their brand names. For the full group, see the Rheem XE55T12CS55U0 page.

Also listed as

They carry every figure in the table above.

Updated Oct 19, 2026 · Methodology

Not covered

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