Commercial water heatersENERGY STAR certified
Lochinvar AWH1250(N,L)
1,250 kBtu/h gas tankless water heater.
Input rate
1,250 kBtu/h
Storage
12 gal
Thermal efficiency
0.98
Fuel
Gas, Propane
Of 207 certified gas tankless commercial water heaters, 9 have a higher thermal efficiency than the AWH1250(N,L) (0.98).
- Maker
- Lochinvar
- Model
- AWH1250(N,L)
- Type
- Gas Tankless
- Fuel
- Gas, Propane
- Storage
- 12 gal
- Thermal efficiency
- 0.98
- Input rate
- 1,250 kBtu/h
- Vent
- Direct Vent
- On the market since
- Feb 2018
- ENERGY STAR certified
- 29 Aug 2025
Source: ENERGY STAR certified commercial water heaters dataset, US EPA, record 2327844, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the AWH1250(N,L)
Certified commercial water heaters from other makers, same color class, within 20% of its speed.
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| A. O. Smith PWH1250(N,L)(P)(-CAN) | Gas Tankless | Gas, Propane | 12 gal | 1,250 kBtu/h |
| THERMAL SOLUTIONS AMPW1250 | Gas Tankless | Gas, Propane | 12 gal | 1,250 kBtu/h |
| Bryan Steam, LLC BFITW1250 | Gas Tankless | Gas, Propane | 12 gal | 1,250 kBtu/h |
| THERMAL SOLUTIONS AMP1250V | Gas Tankless | Gas | 10 gal | 1,250 kBtu/h |
| THERMAL SOLUTIONS AMP1250V-O | Gas Tankless | Gas | 10 gal | 1,250 kBtu/h |
| THERMAL SOLUTIONS AMP1250C | Gas Tankless | Gas | 10 gal | 1,250 kBtu/h |
Lochinvar
More Lochinvar commercial water heaters
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| 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 |
| SWA500N | Gas Storage-type Instantaneous | Gas | 110 gal | 499 kBtu/h |