Browse by type and feature
Each category open here is sliced into collections — by heater type, and by filed features people ask about. Pick a category to see its collections and how many models each holds.
Categories
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Water heaters
Its collections by type and feature.
Related pages
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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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Water heater recalls on file
Every CPSC recall since 2015 and the models on file it names.
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Heat pump water heater rebates by state
Which programs pay today, whether their funding is open, and which models qualify.
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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.