Stream 33 S33-30TEWH-4500

The registry does not publish the 2,439 kWh figure. This site computes it from two inputs. The first is the registry's UEF, the ratio of hot water delivered to energy used, which is 0.92 for this model. The second is the daily hot-water draw that the DOE test sets for the low draw pattern. That pattern stands for a one- or two-person household. The inputs come from the DOE CCD, retrieved 2026-09-19. The annual figure holds only at that test draw. This page has no energy figure for this model at a larger daily draw. The full steps are set out in how the annual energy and cost are calculated.

The model ranks 19th lowest energy use among the 163 electric tanks registered at the low draw pattern. That places it in the lowest quarter of its class. Its figure still equals the class median of 2,439 kWh, a difference of 0 kWh. Both facts can be true only if many models in the class report the same annual figure. The data does not say how models with equal figures are ordered. For a sizing check, its first hour rating, the gallons of hot water available in the first hour from a full tank, is 47 gallons. Its rated volume is 28 gallons. These figures apply to a household that fits the low pattern. They do not describe a household that draws more hot water. To check another unit in the same class, use find a same-class replacement by model number.

The running cost is not written in this text, because it depends on your own utility's electricity tariff. The annual figure of 2,439 kWh is the input, and your rate per kWh sets the result. The cost calculator for your own ZIP multiplies the two using your utility's tariff. No cost is estimated here, since this page does not know your rate. The calculator result also applies only at the low pattern's test draw. The installed price range appears in its own block, with its source and date. It is a modeled installed-cost range, not a quote, and this text does not restate it.