Every certified water heater, by brand and model
2,632 basic models from 117 brands. See each model's storage volume, efficiency, flow, and hot water in the first hour.
Advertised tankless flow
In 288 of 308 cases, a tankless flow advertised with no rise is at least 1.5 times the certified flow. That is 94% of them. In the test, the certified flow is the water warmed by 67°F each minute.
Water heater types
| Type | Basic models | Bar |
|---|---|---|
| Tankless (gas or electric) | 825 | |
| Heat pump (electric) | 481 | |
| Gas storage | 763 | |
| Electric storage | 505 |
Brands with the most listed models
| Brand | Listed models | Basic models |
|---|---|---|
| Rheem | 798 | 231 |
| A. O. Smith | 639 | 186 |
| State | 436 | 185 |
| American | 396 | 163 |
| Lochinvar | 332 | 134 |
| RELIANCE WATER HEATERS | 289 | 156 |
| Ruud | 287 | 163 |
| Richmond | 262 | 127 |
| Friedrich | 191 | 109 |
| Bradford White | 171 | 77 |
| JETGLAS | 142 | 58 |
| Midea | 92 | 49 |
Find yours among 5,285 model numbers to see its size, efficiency, and flow. Makers put 2,632 basic models through the test and sell them under those model numbers.
Tankless heaters, which warm water as it flows, make up 825 basic models. You can compare 481 heat pump basic models, which pull heat from the air. A gas burner heats the stored water in 763 basic models. For an electric tank, there are 505 basic models to compare.
Rheem lists 798 of the 5,285 model numbers, more than any other brand. Its share of basic models is smaller, at 231 of the 2,632.
Of the 2,632 basic models, 770 have at least one ENERGY STAR certified model number. In the types the label covers, 1,017 of 1,787 basic models are not listed with it.