JETGLAS RG230T*N
0.6 UEF DOE CCD · 2026-09-19Grade F: where this UEF sits among the 288 models in its class, lowest (G) to highest (A). A position, not an official label. How the grade is set
A gas tank, medium draw pattern (a typical three- or four-person household, about 55 gallons on a busy morning).
The JETGLAS RG230T*N, a gas tank heater, uses 185 therms of natural gas a year at the medium draw pattern. The draw pattern, the standard daily hot-water usage DOE tests against, is what that figure depends on. If you are verifying this listing, it equals the class median of 185 therms, a difference of 0 therms.
Energy use per year
185 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 equal to the median of 185 therms for the 288 models registered in the same heater type and draw pattern; it ranks 89 of 288, lowest energy first.
Solid line: this model (185 therms). Dashed line: the class median.
Min 148 therms Median 185 therms Max 194 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
- 0.6 DOE CCD · 2026-09-19 Compared only with other models registered as a gas tank at the medium draw pattern.
- Draw Pattern the standard daily usage profile DOE tests the unit against
- Medium 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
- 60 gal DOE CCD · 2026-09-19
- Rated Storage Volume the tank size in gallons
- 29 gal DOE CCD · 2026-09-19
What it costs to install
Not published: Installed cost range
This model's rated tank size 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 · 2026-09-24What 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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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 30-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 JETGLAS model on file
What this brand files, by heater type.
UEF 0.6 · Grade F Price it on your ZIP
The registry lists a UEF, the ratio of hot water delivered to energy used, of 0.6 for the JETGLAS RG230T*N. This site computed the annual figure of 185 therms from that UEF and the daily hot-water draw of the medium pattern. The registry does not publish the annual figure itself. The source is DOE CCD, retrieved 2026-09-19. The figure holds only for the medium pattern, a typical household on a busy morning. A household that draws more or less hot water would see a different result. Read how the annual cost is calculated for the steps.
Among the 288 models registered as a gas tank at the medium draw pattern, this one ranks 89th lowest for energy use. That places it in the second-lowest quarter of its class. Its 185 therms equals the class median of 185 therms, so the difference is 0 therms. The model has a first hour rating, the gallons of hot water available in the first hour from a full tank, of 60 gallons. Its rated volume is 29 gallons. These ratings fit a household whose morning demand matches the medium pattern. A household with a larger daily draw falls outside what the figure describes, and the data here do not show how the model performs under heavier use.
Running cost is not stated in this text. It depends on the state average residential gas price applied to 185 therms a year, and that price differs by state. Enter your ZIP in the cost calculator to see the cost on your own rate. An installed price range is not published for the JETGLAS RG230T*N. Its ratings lie outside the range the cost database's model was fitted on. The range is not stretched past it. To look for a unit in the same class, use the replacement finder by model number. The selector by fuel, space and size covers other fuels and tank sizes.
DOE CCD · 2026-09-19