DoesTheMath

NAVIEN water heaters

What NAVIEN has on file with the DOE CCD — as filed, with no rating of the brand itself.

NAVIEN has 23 basic models on file with the DOE CCD, across 2 heater types. Of the 23 that sit in a class large enough to compare, 10 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.

NAVIEN: basic models by heater type
Heater typeModelsUEF rangeBelow class median
A gas tankless unit 20 0.81–0.96 7 of 20
An electric tank 3 3.85–4.05 3 of 3
DOE CCD · 2026-09-19

Every model

Grouped by heater type, alphabetical within each.

An electric tank 3 models
A gas tankless unit 20 models

What this page does not say

Nothing about how long NAVIEN 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.

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