ARISTON water heaters
What ARISTON has on file with the DOE CCD — as filed, with no rating of the brand itself.
ARISTON has 57 basic models on file with the DOE CCD, across 3 heater types. Of the 57 that sit in a class large enough to compare, 22 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 |
|---|---|---|---|
| An electric tank | 30 | 0.91–4.1 | 14 of 30 |
| A gas tank | 24 | 0.59–0.71 | 8 of 24 |
| An electric tankless unit | 3 | 0.94–0.96 | 0 of 3 |
Every model
Grouped by heater type, alphabetical within each.
An electric tank 30 models
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ARISTON ARIHPWH-40
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ARISTON ARIHPWH-40-T
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ARISTON ARIHPWH-50
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ARISTON ARIHPWH-50-T
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ARISTON ARIHPWH-65
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ARISTON ARIHPWH-65-T
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ARISTON ARIHPWH-80
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ARISTON ARIHPWH-80-T
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ARISTON ELV055*2*****
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ARISTON ENS30L-*
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ARISTON ENS30LU-*
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ARISTON ENS30LUB 240V-3500W
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ARISTON ENS30LUB*
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ARISTON ENS30T-*
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ARISTON ENS40H-*
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ARISTON ENS40H-DR***
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ARISTON ENS40L-*
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ARISTON ENS40LU-*
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ARISTON ENS40LUB 240V-3500W
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ARISTON ENS40LUB*
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ARISTON ENS40T-*
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ARISTON ENS40T-DR***
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ARISTON ENS50H-DR***
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ARISTON ENS50H*
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ARISTON ENS50L-6*
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ARISTON ENS50LU-*
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ARISTON ENS50T-*
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ARISTON ENS50T-DR***
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ARISTON EVR040*2X***
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ARISTON EVR052*2X***
A gas tank 24 models
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ARISTON GN30L2-3-*
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ARISTON GN30T1-3-*
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ARISTON GN30T2-3-*
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ARISTON GN40L2-3-*
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ARISTON GN40T1-3-*
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ARISTON GN40T2-3-*
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ARISTON GN50L2-3-*
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ARISTON GN50T1-3-*
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ARISTON GN50T2-3-*
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ARISTON GSN30T1-3-*
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ARISTON GSN30T2-3-*
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ARISTON GSN40L2-3-*
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ARISTON GSN40T1-3-*
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ARISTON GSN40T2-3-*
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ARISTON GSN50L2-3-*
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ARISTON GSN50T1-3-*
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ARISTON GSN50T2-3-*
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ARISTON PV40SLN*
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ARISTON PV40TLN*
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ARISTON PV40TLN*50*
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ARISTON PV50SLN*
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ARISTON PV50SLN*-65*
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ARISTON PV50TLN*
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ARISTON PV50TLN*-65*
An electric tankless unit 3 models
What this page does not say
Nothing about how long ARISTON 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.