KWICKSHOT TET100V277

The annual figure of 603 kWh is not published by the registry. This site computed it from the registry's UEF of 0.98 and the DOE test's daily hot-water draw for the very small draw pattern. UEF, the ratio of hot water delivered to energy used, is the registry value the calculation starts from. The source is DOE CCD, retrieved 2026-09-19. The comparison group is the 271 models registered as an electric tankless unit at this draw pattern, and their median is 615 kWh. This model sits 12 kWh below that median and ranks 10th lowest, which places it in the lowest quarter of its class for energy use. The calculation method shows how the annual figure is derived.

The very small draw pattern covers small units, such as a single bathroom or a point-of-use heater under a sink. The 603 kWh figure applies to that pattern only, so it should not be set beside models tested at a different draw pattern. The maximum flow rate in gallons per minute is 1. That is the registry's rating; whether it meets the flow of a particular fixture is not stated in the data. Households that need hot water at several fixtures at once fall outside the pattern this figure describes. To check a like-for-like alternative, find a same-class replacement by model number or use the selector by fuel, space and size.

Running cost is not stated here because it depends on your utility's electricity tariff, and this page does not estimate it. To check it yourself, multiply 603 kWh by your own rate per kilowatt-hour, or enter your ZIP in the cost calculator. The gap of 12 kWh from the class median of 615 kWh is an energy difference at the test draw, and its money value changes with the same tariff. Actual use in a home is not available in the registry data, so a household with a different daily draw would use a different amount. The modeled installed-cost range appears in its own block on this page with its source and date, and it is not repeated here.