CAMMOO RV-65000W

The figure of 23 therms of natural gas was computed by this site, not by the registry. It combines the registry's UEF, the ratio of hot water delivered to energy used, of 0.87 with the daily hot-water draw that the DOE test assigns to the very small pattern. The registry data come from the DOE CCD, retrieved 2026-09-19. The result applies only to that test draw. A household that draws more or less hot water than the test assumes will use a different amount, and this page does not estimate that amount. To see how the calculation is done, read how the annual cost is calculated.

The very small draw pattern describes small units, such as a single bathroom or a point-of-use heater under a sink. The figure of 23 therms fits that kind of use. The maximum flow rate in gallons per minute for this unit is 1.6, as listed in the registry. The data do not say how many fixtures that flow supports at once. A household with several bathrooms is outside the pattern behind the 23 therms figure, so that number should not be carried over to it. To look at other fuels, spaces or sizes, the water heater selector filters by those three inputs.

The running cost depends on your state's average residential gas price, so no cost figure is written here. Multiply 23 therms by the price per therm in your state to check it, or use the cost calculator, which takes your ZIP. Either result holds only for the very small draw pattern and a UEF of 0.87. Rank in class and the difference from a class median are not available for the CAMMOO RV-65000W, because too few models share this class and draw pattern. For a same-class comparison, find a replacement by model number. The installed price range appears in its own block on this page, with its source and date, as a modeled range and not a quote.