DoesTheMath

Electric resistance tank water heaters on file

Electric tanks that file a UEF below 2.0 — heated by elements, not a heat pump.

474 registered models are electric resistance tank water heaters. Their filed UEF runs from 0.88 to 0.95 across 3 draw patterns. Each is listed below with its yearly energy, and compared only with others of the same draw pattern.


Other collections


Low draw pattern

a one- or two-person household — 157 models, lowest yearly energy first.


Medium draw pattern

a typical three- or four-person household, about 55 gallons on a busy morning — 294 models, lowest yearly energy first.


High draw pattern

a larger household, or one where showers and laundry overlap — 23 models, lowest yearly energy first.

DOE CCD · 2026-09-19