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Comparing a few options before you buy is the single most valuable thing you can do before an installer arrives — these three checks are exactly what a rushed purchase skips.
Find a water heater that fits, today
Answer three questions and you will have a short list that fits your fuel, your space and your household — drawn from every model this registry has on file, not a shortlist of popular ones.
Fuel first, then how much hot water your household needs at its busiest hour, then the space you have. Each answer removes the models that cannot work, so what is left is every model on file that still fits — each one linked to its own page with its filed efficiency and yearly energy.
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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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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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.