Commercial water heatersENERGY STAR certified
A. O. Smith PWH4000(N,L)(P)(-CAN)
4,000 kBtu/h gas tankless water heater.
Input rate
4,000 kBtu/h
Storage
46 gal
Thermal efficiency
0.98
Fuel
Gas, Propane
Of 207 certified gas tankless commercial water heaters, 9 have a higher thermal efficiency than the PWH4000(N,L)(P)(-CAN) (0.98).
- Maker
- A. O. Smith
- Model
- PWH4000(N,L)(P)(-CAN)
- Type
- Gas Tankless
- Fuel
- Gas, Propane
- Storage
- 46 gal
- Thermal efficiency
- 0.98
- Input rate
- 4,000 kBtu/h
- Vent
- Direct Vent
- On the market since
- Aug 2018
- ENERGY STAR certified
- 20 Feb 2024
Source: ENERGY STAR certified commercial water heaters dataset, US EPA, record 2328283, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the PWH4000(N,L)(P)(-CAN)
Certified commercial water heaters from other makers, same color class, within 20% of its speed.
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| Lochinvar AWH4000(N,L) | Gas Tankless | Gas, Propane | 46 gal | 4,000 kBtu/h |
| THERMAL SOLUTIONS AMPW4000 | Gas Tankless | Gas, Propane | 47 gal | 3,999 kBtu/h |
| Bryan Steam, LLC BFITW4000 | Gas Tankless | Gas, Propane | 47 gal | 3,999 kBtu/h |
| THERMAL SOLUTIONS AMPW3500 | Gas Tankless | Gas, Propane | 47 gal | 3,500 kBtu/h |
| Bryan Steam, LLC BFITW3500 | Gas Tankless | Gas, Propane | 47 gal | 3,500 kBtu/h |
| Intellihot iQ3001 | Gas Tankless | Gas, Propane | 12 gal | 3,001 kBtu/h |
A. O. Smith
More A. O. Smith commercial water heaters
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| PWH1250(N,L)(P)(-CAN) | Gas Tankless | Gas, Propane | 12 gal | 1,250 kBtu/h |
| PWH1500(N,L)(P)(-CAN) | Gas Tankless | Gas, Propane | 14 gal | 1,500 kBtu/h |
| PWH2000(N,L)(P)(-CAN) | Gas Tankless | Gas, Propane | 18 gal | 1,999 kBtu/h |
| PWH3000(N,L)(P)(-CAN) | Gas Tankless | Gas, Propane | 29 gal | 3,000 kBtu/h |
| BTH 251* 3** | Gas Storage | Gas, Propane | 119 gal | 250 kBtu/h |
| BTH 400* 3** | Gas Storage | Gas, Propane | 119 gal | 400 kBtu/h |
| BTH 300* 3** | Gas Storage | Gas, Propane | 119 gal | 300 kBtu/h |
| BTH 250* 3** | Gas Storage | Gas, Propane | 100 gal | 250 kBtu/h |