20 certified models
HTP commercial water heaters
Every HTP water heater certified under ENERGY STAR and listed for the US market, fastest first. Each model page has the full certified specs and comparable machines from other makers.
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| ELX-1000FVWH | Gas Tankless | Gas, Propane | 8 gal | 1,000 kBtu/h |
| ELX-1500FVWH | Gas Storage-type Instantaneous | Gas, Propane | 12 gal | 1,500 kBtu/h |
| ELX-2000FVWH | Gas Tankless | Gas | 16 gal | 2,000 kBtu/h |
| ELX-400FVWH | Gas Tankless | Gas, Propane | 3 gal | 399 kBtu/h |
| ELX-500FVWH | Gas Tankless | Gas, Propane | 4 gal | 500 kBtu/h |
| ELX-650FVWH | Gas Tankless | Gas, Propane | 5 gal | 650 kBtu/h |
| ELX-800FVWH | Gas Tankless | Gas, Propane | 6 gal | 800 kBtu/h |
| PH130-119 | Gas Storage | Gas, Propane | 119 gal | 130 kBtu/h |
| PH130-55 | Gas Storage | Gas, Propane | 55 gal | 130 kBtu/h |
| PH130-80 | Gas Storage | Gas, Propane | 80 gal | 130 kBtu/h |
| PH160-119 | Gas Storage | Gas, Propane | 119 gal | 160 kBtu/h |
| PH160-55 | Gas Storage | Gas, Propane | 55 gal | 160 kBtu/h |
| PH160-80 | Gas Storage | Gas, Propane | 80 gal | 160 kBtu/h |
| PH199-119 | Gas Storage | Gas, Propane | 119 gal | 199 kBtu/h |
| PH199-55 | Gas Storage | Gas, Propane | 55 gal | 199 kBtu/h |
| PH199-80 | Gas Storage | Gas, Propane | 80 gal | 199 kBtu/h |
| PHM130-100 | Gas Storage | Gas, Propane | 100 gal | 130 kBtu/h |
| PHM130-80 | Gas Storage | Gas, Propane | 80 gal | 130 kBtu/h |
| PHM199-100 | Gas Storage | Gas, Propane | 100 gal | 199 kBtu/h |
| PHM199-80 | Gas Storage | Gas, Propane | 80 gal | 199 kBtu/h |
Source: ENERGY STAR certification data, US EPA. Data build 2026-09-29. Brand names are as the maker certified them, with obvious variant spellings merged.