Hot Water List

EEMAX SPEX3012

EEMAX SPEX3012 is in the DOE listing as of Oct 19, 2026.

  • Electric tankless water heater
  • 1 listed model

ENERGY STAR certification does not cover this type of water heater.

Its figures are also listed under Rheem SPEX3012.

Certified figures

Flow at a 67°F rise
0.3gallons per minute
UEF
0.96Uniform energy factor

Flow where you live

A bigger rise from colder incoming water leaves the heater with less flow.

Cold water
Cold water must be at least 10°F colder than the hot water setting.
Flow estimate
The estimate uses the lowest certified flow among the listed models. It is about 0.3 gal/min at a 70°F rise.

Flow limits

  • The estimate excludes the flow needed to turn the heater on, heat lost in pipes, and installation.
  • Cold water from a well or long pipe run can differ from the temperature you enter.
  • Without a stated flow limit, estimates for warmer water may exceed the heater’s actual flow.

Certified figures by listed model

EEMAX SPEX3012: certified figures by listed model
Model numberUEFFlow at a 67°F rise (gal/min)Recovery efficiencyDraw pattern
SPEX30120.960.395%Very small

UEF is the uniform energy factor. A dash means the model has no such figure.

It heats 0.3 gallons per minute of water by 67°F in the test. The median flow among electric tankless models is 0.7 gallons per minute. Its flow at a 67°F rise trails 271 of the 337 electric tankless models.

In tests, 96% of the energy it uses ends up as hot water (UEF 0.96). In the test, daily hot water use was set to very small (its draw pattern). Among 272 electric tankless models on its draw pattern, 77 have a higher UEF. For its type and draw pattern, its UEF sits at the median. Of the energy it spends heating water, 95% ends up in it (its recovery efficiency).

There are 2 more basic models with the same test figures. The KWICKSHOT and Rheem brands list one or more of them. For the full group, see the Rheem SPEX3012.

Also listed as

They carry every figure in the table above.

Updated Oct 19, 2026 · Methodology

Not covered

  • Advertised figures. We have none on file for this model.