Commercial water heatersENERGY STAR certified
Lochinvar AWH0400N SERIES 1**
399 kBtu/h gas tankless water heater.
Input rate
399 kBtu/h
Storage
4 gal
Thermal efficiency
0.99
Fuel
Gas
Of 207 certified gas tankless commercial water heaters, 0 have a higher thermal efficiency than the AWH0400N SERIES 1** (0.99).
- Maker
- Lochinvar
- Model
- AWH0400N SERIES 1**
- Type
- Gas Tankless
- Fuel
- Gas
- Storage
- 4 gal
- Thermal efficiency
- 0.99
- Input rate
- 399 kBtu/h
- Vent
- Direct Vent
- On the market since
- Jan 2021
- ENERGY STAR certified
- 25 Sep 2024
Source: ENERGY STAR certified commercial water heaters dataset, US EPA, record 2374682, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the AWH0400N SERIES 1**
Certified commercial water heaters from other makers, same color class, within 20% of its speed.
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| Trinity LX400WH | Gas Tankless | Gas, Propane | 2 gal | 399 kBtu/h |
| HTP ELX-400FVWH | Gas Tankless | Gas, Propane | 3 gal | 399 kBtu/h |
| A. O. Smith PWH0400NP* | Gas Tankless | Gas, Propane | 4 gal | 399 kBtu/h |
| Laars NT2V0399 | Gas Tankless | Gas | 4 gal | 399 kBtu/h |
| Bradford White BNT2V0399 | Gas Tankless | Gas | 4 gal | 399 kBtu/h |
| THERMAL SOLUTIONS AMPW400 | Gas Tankless | Gas, Propane | 4 gal | 399 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 |