Commercial water heatersENERGY STAR certified
Lochinvar IWH0750L
750 kBtu/h gas tankless water heater.
Input rate
750 kBtu/h
Storage
7 gal
Thermal efficiency
0.97
Fuel
Propane
Of 207 certified gas tankless commercial water heaters, 149 have a higher thermal efficiency than the IWH0750L (0.97).
- Maker
- Lochinvar
- Model
- IWH0750L
- Type
- Gas Tankless
- Fuel
- Propane
- Storage
- 7 gal
- Thermal efficiency
- 0.97
- Input rate
- 750 kBtu/h
- Vent
- Direct Vent
- On the market since
- Feb 2026
- ENERGY STAR certified
- 7 May 2026
Source: ENERGY STAR certified commercial water heaters dataset, US EPA, record 4610754, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the IWH0750L
Certified commercial water heaters from other makers, same color class, within 20% of its speed.
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| Rinnai RCW750AN | Gas Tankless | Gas, Propane | 6 gal | 750 kBtu/h |
| Intellihot iQ751 Gen II | Gas Tankless | Gas, Propane | 3 gal | 751 kBtu/h |
| Trinity LX700WH | Gas Tankless | Gas | 5 gal | 700 kBtu/h |
| Trinity LX800WH | Gas Tankless | Gas | 5 gal | 800 kBtu/h |
| HTP ELX-800FVWH | Gas Tankless | Gas, Propane | 6 gal | 800 kBtu/h |
| A. O. Smith PWH0800NP* | Gas Tankless | Gas, Propane | 7 gal | 800 kBtu/h |
Lochinvar
More Lochinvar commercial water heaters
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| AWH1250(N,L) | Gas Tankless | Gas, Propane | 12 gal | 1,250 kBtu/h |
| AWH1500(N,L) | Gas Tankless | Gas, Propane | 14 gal | 1,500 kBtu/h |
| AWH2000(N,L) | Gas Tankless | Gas, Propane | 18 gal | 1,999 kBtu/h |
| AWH3000(N,L) | Gas Tankless | Gas, Propane | 29 gal | 3,000 kBtu/h |
| AWH4000(N,L) | Gas Tankless | Gas, Propane | 46 gal | 4,000 kBtu/h |
| CHPA120PD 100 | Electric Heat Pump | Electric | 119 gal | - |
| SWA500L | Gas Storage-type Instantaneous | Propane | 110 gal | 499 kBtu/h |
| SWR400L | Gas Storage | Propane | 110 gal | 399 kBtu/h |