Richmond PROG50-40N RH62

This site calculates the 260 therms figure; it is not taken directly from the registry. It combines the registry'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. For this model, the UEF is 0.65, from DOE CCD data retrieved 2026-09-19. Among the 414 gas tank models at the high draw pattern, it ranks 204th lowest for energy use. That places it in the second-lowest quarter of its class, 0 therms from the class median. The figure holds only at the test's daily draw. This page does not have energy use at other draws. Our method for calculating annual cost sets out each step.

The high draw pattern describes a larger household, or one where showers and laundry overlap. This model's first hour rating, the gallons of hot water available in the first hour from a full tank, is 76 gallons. Its rated volume is 48 gallons. The 260 therms figure applies to a household that uses hot water at the level the high pattern tests. A smaller household with a lower daily draw does not meet that condition, so the figure does not describe its use. This page has no figure for this model at other draw patterns. To compare other gas tank units, use the same-class replacement search by model number. You can also use the selector by fuel, space and size.

This text does not state the running cost, because it depends on your state's average residential gas price. The page calculates it from your ZIP, based on 260 therms a year at the high draw pattern. This model sits 0 therms from the class median of 260 therms. At any given gas price, its cost is therefore the same as the cost of a model at that median. The cost calculator for your own ZIP shows the figure at your rate. The installed price range appears in its own block, with its source and date. It is a modeled range, not a quote. This page does not have a cost at any gas price other than your state average.