DoesTheMath

GE Profile PF50S10FPY01 vs RELIANCE WATER HEATERS FPTU-50 1**: which uses less energy?

At the medium draw pattern the RELIANCE WATER HEATERS FPTU-50 1** uses 970 kWh a year and the GE Profile PF50S10FPY01 1,015 — 45 kWh (4%) less, about 455 kWh over ten years. Both are filed as an electric tank, so the comparison holds. Enter your ZIP below to price the difference.

Side by side

Compared within one class only: models filed as an electric tank at the medium draw pattern.

Filed and computed figures
GE Profile PF50S10FPY01 RELIANCE WATER HEATERS FPTU-50 1**
UEF (Uniform Energy Factor) 3.2 3.35 (better)
Energy use per year (kWh) 1,015 970 (better)
First hour rating (gal) 59 66
Rated storage volume (gal) 50 46
Installed cost range $3,123–$3,897 $3,011–$4,010
ENERGY STAR certified yes yes
Sound level (dB) 41 not filed
Refrigerant R1234YF R-134a, GWP 1430
On the market since 2025-05-27 2019-04-05
DOE CCD · 2026-09-19

What it costs to run

GE Profile PF50S10FPY01: 1,015 kWh a year RELIANCE WATER HEATERS FPTU-50 1**: 970 kWh a year

GE Profile PF50S10FPY01 — 1,015 kWh a year RELIANCE WATER HEATERS FPTU-50 1** — 970 kWh a year

RELIANCE WATER HEATERS FPTU-50 1** is 45 kWh a year lower than GE Profile PF50S10FPY01.

DOE CCD · 2026-09-19

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Reliability

Not published: Reliability, failure rates and each model’s actual warranty term.

The registries these figures come from certify energy performance under a federal test; none of them records how long a unit lasts or how often it fails, so this page does not rank the two on reliability.

What is here instead:

  • The filed efficiency, capacity and tank size of both models, side by side below.
  • Both are ENERGY STAR certified, which requires a manufacturer warranty of at least six years; the actual term for each model is not published.
  • Time on the market, as filed with ENERGY STAR: the GE Profile PF50S10FPY01 since 2025-05-27, the RELIANCE WATER HEATERS FPTU-50 1** since 2019-04-05. A sale date, not a lifespan.

Which should you pick?

  • Pick the RELIANCE WATER HEATERS FPTU-50 1** if running cost matters most: it uses 45 kWh less a year on the same test.
  • Pick the GE Profile PF50S10FPY01 if it is the one you can get installed sooner or for less — on the filed figures it has no advantage over the RELIANCE WATER HEATERS FPTU-50 1**.
  • Neither if your household's busiest hour needs more than 66 gallons of hot water — neither lists more. Check whether a 50-gallon heater is enough.

Each model on its own

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