Gas storage water heaters
763 basic models from 24 brands.
Across 735 of 763 listed gas storage basic models, certified storage volume is 2 gallons below the sold size at the median. These exact whole-gallon differences range from 7 gallons below the sold size to 2 gallons above the sold size.
Gas storage water heaters
- Basic models
- 76324 brands
- ENERGY STAR certified
- 77of 763
- Advertised figures that differ from the certified figure
- 161of 1,579Storage volume, UEF, first-hour
- Difference (gal)
- Sold size minus storage volume. A dash means either figure is missing, a range, or not whole gallons.
For 673 of these 735 models, the size sold is larger than the measured tank volume.
Of these 763 models, 434 were tested for high hot water use. The highest efficiency (UEF) on that test is 0.90, reached by 28 of 434 models. ENERGY STAR certification covers 10% of these models.
Between them, the 763 models here carry 24 brand names. Of the 5 size groups, 50-gallon holds the most of these models, 325.
As sold, the tanks here come in 29 to 119 gallons, model by model. In the test, these tanks hold 28 to 112 gallons of water by model. In the test's first hour, these tanks deliver 46 to 206 gallons, depending on the model.
Makers and stores print 1,579 figures for storage volume, UEF, or first-hour rating on 505 models here. Of those figures, 10% differ from the certified one.
On their certified figures, 306 models here may qualify for a rebate. They may qualify under 4 programs in all. Of these models, 29 sit in no size group.
By size
| Size | Basic models | ENERGY STAR certified | First-hour rating (gal) |
|---|---|---|---|
| 30-gallon | 105 | 3 | 46–170 |
| 40-gallon | 287 | 15 | 51–91 |
| 50-gallon | 325 | 32 | 65–187 |
| 65-gallon | 1 | 1 | 157 |
| 80-gallon | 16 | 16 | 130–206 |
In no size group: 29 basic models. Their size as sold is not known, or is outside the groups.
Certified figures by basic model
Sorted by size, smallest first, then by UEF, highest first.
Size is the size the model is sold as. UEF is the uniform energy factor. A UEF compares only between models with the same draw pattern. A range means the models under one basic model differ. A dash means no such figure, or not listed as ENERGY STAR certified.
Of these, 306 basic models may qualify for at least one rebate program. See rebates by state
More gas storage water heaters
Not covered
- Price, warranty, and installation.