DoesTheMath

STATE GCF-50 1**

0.69 UEF DOE CCD · 2026-09-19
F

Grade F: where this UEF sits among the 414 models in its class, lowest (G) to highest (A). A position, not an official label. How the grade is set

A gas tank, high draw pattern (a larger household, or one where showers and laundry overlap).

If you are checking the STATE GCF-50 1**, this gas tank heater uses 245 therms of natural gas a year. That figure belongs to the high draw pattern, the standard daily hot-water usage DOE tests against. It is 15 therms below the 260 therms median of the 414 gas tank models at that pattern.


Energy use per year

245 therms a year

Computed by this site from the registry's UEF and the federal test's daily hot-water draw for this draw pattern. What it costs depends on the natural gas rate where you live.

That is below the median of 260 therms for the 414 models registered in the same heater type and draw pattern; it ranks 130 of 414, lowest energy first.

This model: 245 therms

Solid line: this model (245 therms). Dashed line: the class median.

Min 188 therms Median 260 therms Max 277 therms

DOE CCD · 2026-09-19

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What it costs to run where you live

Enter your ZIP to see what this unit costs to run a year at your state’s average natural gas price.


What the registry files

UEF (Uniform Energy Factor) how much hot water you get for each unit of energy the heater uses
0.69 DOE CCD · 2026-09-19 Compared only with other models registered as a gas tank at the high draw pattern.
Draw Pattern the standard daily usage profile DOE tests the unit against
High DOE CCD · 2026-09-19
First Hour Rating how many gallons of hot water the unit can deliver in one hour, starting from a full tank
84 gal DOE CCD · 2026-09-19
Rated Storage Volume the tank size in gallons
48 gal DOE CCD · 2026-09-19

What it costs to install

$2,082–$3,883 installed

Not a quote — a modeled range of what installers have charged for this class of unit; your price will vary with labor rates, access, and local code requirements.

Escalation indexes: equipment (BLS PPI) latest available: August 2026; labor (BLS ECI) latest available: April 2026 to June 2026.

NLR REMDB (BLS PPI/ECI escalated) · 2026-04-01

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Safety record

No CPSC recall names this model.

Checked against the CPSC recall database. CPSC does not publish a model-level match for this product category, so this list is curated by hand from the manufacturer's recall filings.

CPSC · 2026-09-24

What these figures mean

The 245 therms figure was calculated by this site. The registry does not list it. It combines the model's UEF, the ratio of hot water delivered to energy used, with the DOE test's daily hot-water draw for the high draw pattern. The UEF of 0.69 comes from DOE's Compliance Certification Database (CCD), retrieved 2026-09-19. This model is compared with the 414 gas tank models registered at the high draw pattern. Among them, it ranks 130th for lowest energy use. That puts it in the second-lowest quarter of its class for energy use. The steps behind the figure are set out in how the annual cost is calculated.

The high draw pattern stands for a larger household, or one where showers and laundry overlap. The 245 therms figure describes that level of use only. This model's first hour rating, the gallons of hot water available in the first hour from a full tank, is 84 gallons. Its rated volume is 48 gallons. A household with lighter daily use does not match the test's draw. This page has no energy figure for lower use, so that value is not available. To compare other models by fuel, space and size, use the water heater selector. You can also find a same-class replacement by model number.

The running cost is not given in this text. It depends on your state's average residential natural gas price, so the page calculates it from your ZIP. The gap of 15 therms below the class median of 260 therms applies at the test's daily draw. What that gap is worth each year also depends on your local gas rate. At a different daily draw, the energy use and the gap would both change, and those values are not available here. To use your own rate, open the cost calculator for your ZIP. The installed-price block on this page shows a modeled installed-cost range, with its own source and date. That range is not a quote.

DOE CCD · 2026-09-19

How this compares

The closest models in the same class — same fuel, type and draw pattern.


Keep going

UEF 0.69 · Grade F Price it on your ZIP