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Commercial water heatersENERGY STAR certified

Velocity Boiler Works PHX500C

500 kBtu/h gas tankless water heater.

Input rate

500 kBtu/h

Storage

5 gal

Thermal efficiency

0.98

Fuel

Gas, Propane

Of 207 certified gas tankless commercial water heaters, 9 have a higher thermal efficiency than the PHX500C (0.98).

Maker
Velocity Boiler Works
Model
PHX500C
Type
Gas Tankless
Fuel
Gas, Propane
Storage
5 gal
Thermal efficiency
0.98
Input rate
500 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 4480977, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the PHX500C

Certified commercial water heaters from other makers, same color class, within 20% of its speed.

ModelTypeFuelStorageInput rate
Trinity LX500WHGas TanklessGas, Propane3 gal500 kBtu/h
Lochinvar AWH0500L SERIES 1**Gas TanklessPropane5 gal500 kBtu/h
Lochinvar AWH0500N SERIES 1**Gas TanklessGas5 gal500 kBtu/h
HTP ELX-500FVWHGas TanklessGas, Propane4 gal500 kBtu/h
A. O. Smith PWH0500NP*Gas TanklessGas, Propane5 gal500 kBtu/h
Laars NT2V0500Gas TanklessGas4 gal500 kBtu/h

Velocity Boiler Works

More Velocity Boiler Works commercial water heaters

ModelTypeFuelStorageInput rate
PHXW400Gas TanklessGas, Propane4 gal399 kBtu/h
PHXW500Gas TanklessGas, Propane5 gal500 kBtu/h
PHXW650Gas TanklessGas, Propane6 gal650 kBtu/h
PHXW800Gas TanklessGas, Propane7 gal800 kBtu/h
PHXW1000LGas TanklessGas, Propane9 gal999 kBtu/h
PHX1000C-OGas TanklessGas, Propane9 gal999 kBtu/h
PHX800C-OGas TanklessGas, Propane7 gal800 kBtu/h
PHX400C-OGas TanklessGas, Propane4 gal399 kBtu/h

All Velocity Boiler Works commercial water heaters