Commercial water heatersENERGY STAR certified
Velocity Boiler Works PHX1250V
1,250 kBtu/h gas tankless water heater.
Input rate
1,250 kBtu/h
Storage
10 gal
Thermal efficiency
0.98
Fuel
Gas
Of 207 certified gas tankless commercial water heaters, 9 have a higher thermal efficiency than the PHX1250V (0.98).
- Maker
- Velocity Boiler Works
- Model
- PHX1250V
- Type
- Gas Tankless
- Fuel
- Gas
- Storage
- 10 gal
- Thermal efficiency
- 0.98
- Input rate
- 1,250 kBtu/h
- Vent
- Direct Vent
- On the market since
- Sep 2025
- ENERGY STAR certified
- 28 Aug 2025
Source: ENERGY STAR certified commercial water heaters dataset, US EPA, record 4497562, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the PHX1250V
Certified commercial water heaters from other makers, same color class, within 20% of its speed.
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| Lochinvar AWH1250(N,L) | Gas Tankless | Gas, Propane | 12 gal | 1,250 kBtu/h |
| 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 |
Velocity Boiler Works
More Velocity Boiler Works commercial water heaters
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| PHXW400 | Gas Tankless | Gas, Propane | 4 gal | 399 kBtu/h |
| PHXW500 | Gas Tankless | Gas, Propane | 5 gal | 500 kBtu/h |
| PHXW650 | Gas Tankless | Gas, Propane | 6 gal | 650 kBtu/h |
| PHXW800 | Gas Tankless | Gas, Propane | 7 gal | 800 kBtu/h |
| PHXW1000L | Gas Tankless | Gas, Propane | 9 gal | 999 kBtu/h |
| PHX1000C-O | Gas Tankless | Gas, Propane | 9 gal | 999 kBtu/h |
| PHX800C-O | Gas Tankless | Gas, Propane | 7 gal | 800 kBtu/h |
| PHX400C-O | Gas Tankless | Gas, Propane | 4 gal | 399 kBtu/h |