FRIEDRICH PROG50S-40N RH61
0.63 UEF DOE CCD · 2026-09-19Grade G: 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 verifying this unit, FRIEDRICH PROG50S-40N RH61 uses 269 therms of natural gas a year. That figure is for the high draw pattern, the standard daily hot-water usage DOE tests against. It is 9 therms above the class median of 260 therms.
Energy use per year
269 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 above the median of 260 therms for the 414 models registered in the same heater type and draw pattern; it ranks 320 of 414, lowest energy first.
Solid line: this model (269 therms). Dashed line: the class median.
Min 188 therms Median 260 therms Max 277 therms
What it costs to run where you live
What the registry files
- UEF (Uniform Energy Factor) how much hot water you get for each unit of energy the heater uses
- 0.63 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
- 87 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
$1,732–$2,981 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) · 2026-04-01Safety 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 · 2026-09-24What these figures mean
How this compares
The closest models in the same class — same fuel, type and draw pattern.
Keep going
How every figure on this page is calculated
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Three questions — fuel, hot water need, install space — narrow every model on file to the ones that fit.
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What a water heater costs to run
Prices a unit's efficiency against your own utility's filed tariff for your ZIP code.
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Is a 50-gallon water heater enough?
Answered from what models in this size actually file.
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Every model on file with the Department of Energy, by heater type.
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Gas-fired storage tanks, every size and draw pattern on file.
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Every FRIEDRICH model on file
What this brand files, by heater type.
UEF 0.63 · Grade G Price it on your ZIP
The registry lists a UEF, the ratio of hot water delivered to energy used, of 0.63 for this model. This site computed the annual figure of 269 therms from that UEF and the DOE test's daily hot-water draw. The registry itself does not publish that annual figure. It applies to natural gas at the high draw pattern only. It is a total for the test's draw, not a measurement of any installed unit. The source is DOE CCD, retrieved 2026-09-19. The calculation is explained in how the annual cost is calculated.
Compared with the 414 models registered as a gas tank at the high draw pattern, this model uses more than the median. Its 269 therms is 9 therms above the class median of 260 therms. It ranks 320th lowest in energy use of 414, in the highest quarter of its class. The high draw pattern describes a larger household, or one where showers and laundry overlap. Its first hour rating, the gallons of hot water available in the first hour from a full tank, is 87. Its rated volume is 48 gallons. Whether that covers a particular household's peak hour is not shown in the registry data. A reader who compares on energy use alone will find it above the median of 260 therms.
Running cost is not stated on this page. It depends on the state average residential gas price for your ZIP, which is not part of the registry data. The cost calculator applies that price to the 269 therms figure. The same calculation works for any model in the class. Applied to the 9 therms gap from the class median of 260 therms, it gives the cost difference at your own rate. To compare models, find a same-class replacement by model number or use the selector by fuel, space and size. The installed-cost range appears in its own block, as a modeled range and not a quote.
DOE CCD · 2026-09-19