ECOTOUCH ECO55W

The figure of 609 kWh is electricity use for one year at the federal test's daily hot-water draw for the very small draw pattern. This site computed it; the registry does not list it. The inputs are the registry's UEF, the ratio of hot water delivered to energy used, which is 0.97 for this model, and the daily draw DOE assigns to that pattern. The data come from DOE CCD, retrieved 2026-09-19. Among the 271 electric tankless models registered at this draw pattern, the ECOTOUCH ECO55W has the 37th lowest energy use, which places it in the lowest quarter of its class. The class median is 615 kWh, so the model sits 6 kWh below it. The methodology page shows how the annual figures are calculated.

The maximum flow rate in gallons per minute for this model is 0.5. Together with the very small draw pattern, which covers small units such as a single bathroom or a point-of-use heater under a sink, that describes the use to which the 609 kWh figure applies. The figure does not apply to a household with a larger draw pattern, because the test's daily draw differs by pattern. This page has no annual energy value for the ECOTOUCH ECO55W at any other draw pattern, and that value is not available here. A reader comparing units of another size can start from the water heater selector, which filters by fuel, space and size.

The running cost is not written in this text because it depends on your own utility electricity rate. Multiplying 609 kWh by that rate gives the annual electricity cost at this draw pattern, and the cost calculator does this from your ZIP. The 6 kWh difference from the class median of 615 kWh scales by the same rate, so it is a difference in kilowatt-hours before it is a difference in cost. If you are checking a replacement, the same-class replacement finder accepts a model number such as ECO55W and returns units in the same class. The installed price range appears in its own block on the page, with its source and date, as a modeled range and not a quote.