Commercial water heatersENERGY STAR certified
Velocity Boiler Works PHX800V
800 kBtu/h gas tankless water heater.
Input rate
800 kBtu/h
Storage
7 gal
Thermal efficiency
0.98
Fuel
Gas, Propane
Of 207 certified gas tankless commercial water heaters, 9 have a higher thermal efficiency than the PHX800V (0.98).
- Maker
- Velocity Boiler Works
- Model
- PHX800V
- Type
- Gas Tankless
- Fuel
- Gas, Propane
- Storage
- 7 gal
- Thermal efficiency
- 0.98
- Input rate
- 800 kBtu/h
- Vent
- Direct Vent
- On the market since
- Aug 2025
- ENERGY STAR certified
- 31 Jul 2025
Source: ENERGY STAR certified commercial water heaters dataset, US EPA, record 4480973, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the PHX800V
Certified commercial water heaters from other makers, same color class, within 20% of its speed.
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| Trinity LX800WH | Gas Tankless | Gas | 5 gal | 800 kBtu/h |
| Lochinvar AWH0800L SERIES 1** | Gas Tankless | Propane | 7 gal | 800 kBtu/h |
| Lochinvar AWH0800N SERIES 1** | Gas Tankless | Gas | 7 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 |
| Laars NT2V0800 | Gas Tankless | Gas | 7 gal | 800 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 |