GE GE40T08DAT02
GE GE40T08DAT02 is in the DOE listing as of Oct 26, 2026.
It has a labeled size of 40 gallons, a certified storage volume of 40 gallons, a certified UEF of 0.92, and a certified first-hour rating of 58 gallons of hot water.
- Electric storage water heater
- 1 listed model
ENERGY STAR certification does not cover this type of water heater.
Certified figures
- Storage volume
- 40gallons
- UEF
- 0.92Uniform energy factor
- First-hour rating
- 58gallonsHot water in the first hour
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Change your hourCertified figures by listed model
| Model number | Storage volume (gal) | UEF | First-hour rating (gal) | Recovery efficiency | Draw pattern |
|---|---|---|---|---|---|
| GE40T08DAT02 | 40 | 0.92 | 58 | 98% | Medium |
UEF is the uniform energy factor. A dash means the model has no such figure.
Sold as 40 gallons, it holds 40 gallons in the test. It delivers 58 gallons of hot water in the test's first hour. Reheating lets it give 18 gallons beyond the 40 gallons in its tank. Of 477 electric storage models, 168 give more hot water in the first hour. The median electric storage model gives 55 gallons in the first hour of the test.
In tests, 92% of the energy it uses ends up as hot water (UEF 0.92). In the test, daily hot water use was set to medium (its draw pattern). Of 297 electric storage models with the same draw pattern, 81 have a higher UEF. Its UEF is the median for its type and draw pattern. Of the energy spent to reheat water, 98% goes into it (its recovery efficiency).
- Every GE basic model
- Every 40-gallon electric storage water heater
- Every electric storage water heater
Not covered
- Advertised figures. We have none on file for this model.