FRIEDRICH PROP G50-50* RH HE EC3
0.88 UEF DOE CCD · 2026-09-19Grade A: 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).
You are checking the FRIEDRICH PROP G50-50* RH HE EC3, a gas tank heater. It uses 192 therms of natural gas a year at the high draw pattern, the standard daily hot-water usage DOE tests against. That is 68 therms below the 260 therms median of the 414 gas tank models registered at that draw pattern.
Energy use per year
192 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 21 of 414, lowest energy first.
Solid line: this model (192 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
- 0.88 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
- 95 gal DOE CCD · 2026-09-19
- Rated Storage Volume the tank size in gallons
- 50 gal DOE CCD · 2026-09-19
- On the market since (ENERGY STAR) the date the manufacturer told ENERGY STAR the model went on sale
- 2022-11-07 ENERGY STAR · 2026-09-19
- Connected / demand response (ENERGY STAR) whether the unit can take signals from your utility to shift when it heats, and by which standard (such as CTA-2045)
- No ENERGY STAR · 2026-09-19
What it costs to install
Not published: Installed cost range
This model's UEF lies outside the range NLR REMDB's cost model was fitted on, and the range is not stretched past it.
The annual energy figure on this page does not depend on this range and is unaffected.
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 · 2026-09-24Does it fit your space?
Enter your own numbers below — this compares them to what ENERGY STAR publishes for this model, it does not tell you what to buy.
- Dimensions (ENERGY STAR)
- the unit's filed height, width, depth or tank diameter, in inches
- Input voltage and maximum current (ENERGY STAR)
- the circuit voltage the unit is certified on and the most current it draws
- Vent type and size (ENERGY STAR)
- how a gas unit is vented, the vent's diameter and the height of its vent connector
What 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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Find what replaces your water heater
Enter the model number off your old unit and see what is on file today, with the yearly cost difference.
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Find a water heater that fits
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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Water heaters
Every model on file with the Department of Energy, by heater type.
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All gas tank water heaters
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 0.88 · Grade A Price it on your ZIP
The registry does not print the 192 therms figure. This site calculated it from two inputs. The first is the model's UEF, the ratio of hot water delivered to energy used, which is 0.88. The second is the daily hot-water draw that the DOE test sets for the high draw pattern. Both come from the DOE CCD, retrieved 2026-09-19. At that draw, the model ranks 21st lowest in energy use of the 414 models in its class. That puts it in the lowest quarter of the class. The figure applies only at the test's daily draw. A home that uses more or less hot water will use a different amount of gas. The page on how the annual cost is calculated sets out the same inputs step by step.
The high draw pattern describes a larger household, or one where showers and laundry overlap. For that use, the registry lists a first hour rating, the gallons of hot water available in the first hour from a full tank, of 95 gallons. The rated volume is 50 gallons. A plumber checking a home against the first hour rating can see whether 95 gallons covers its busiest hour. The 192 therms figure does not describe a household with lighter use, because it assumes the high draw. To compare gas tank models by space and size, use the selector by fuel, space and size. This model has no published installed price range. Its ratings lie outside the range the cost database's model was fitted on, and the page does not stretch that range to cover them.
The running cost is not stated in this text. It depends on your state's average residential gas price. The page calculates it from your ZIP code and the 192 therms figure. Enter your ZIP in the cost calculator for your own ZIP to see the result. This model uses 68 therms less gas than the class median at the test draw. So at the same rate, its gas cost is lower than a median model's. The size of that gap depends on your rate. This page does not estimate the rate or the cost. If you are matching a unit on site, you can find a same-class replacement by model number among other gas tank models at the high draw pattern.
DOE CCD · 2026-09-19