Kepler water heaters
What Kepler has on file with the DOE CCD — as filed, with no rating of the brand itself.
Kepler has 9 basic models on file with the DOE CCD, across 2 heater types. Of the 9 that sit in a class large enough to compare, 9 use less energy a year than their class median. Every model below links to its own page.
By heater type
Counts and ranges as filed. A class median is only used where eight or more models share the class.
| Heater type | Models | UEF range | Below class median |
|---|---|---|---|
| A gas tankless unit | 6 | 0.95 | 6 of 6 |
| An electric tank | 3 | 3.75–4 | 3 of 3 |
Every model
Grouped by heater type, alphabetical within each.
An electric tank 3 models
A gas tankless unit 6 models
What this page does not say
Nothing about how long Kepler heaters last, how often they fail or how its warranty compares: no registry this site reads publishes any of it, and this site does not estimate it. The DOE CCD records what each model is certified to do, and that is what this page counts.
Related pages
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Every brand on file
The other brands with a page, largest first.
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Find what replaces your water heater
Enter the model number off your old unit and see what is on file today, with the yearly cost difference.
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Find a water heater that fits
Three questions — fuel, hot water need, install space — narrow every model on file to the ones that fit.
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What a water heater costs to run
Prices a unit's efficiency against your own utility's filed tariff for your ZIP code.
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Water heaters
Every model on file with the Department of Energy, by heater type.
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How the numbers are calculated
The formula, the tariff rule and where published costs disagree.
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What is a good first hour rating for a water heater?
The first hour rating every storage model on file actually lists, by tank size, next to the DOE method for checking it against your own household.