SpecDirectory

Hamilton Engineering HTH 00650 AXvsVelocity Boiler Works PHNTM600C

Side-by-side commercial boiler comparison

Hamilton Engineering HTH 00650 AX

Thermal Efficiency

96.3%

Input Rate

650MBTU/hr

Turndown Ratio

10.00

Application

Outdoor

Velocity Boiler Works PHNTM600C

Thermal Efficiency

95%

Input Rate

625MBTU/hr

Turndown Ratio

5.00

Application

Indoor

Key differences

Both models are closely matched on thermal eff: 96.3 vs 95.0 %. The Hamilton Engineering HTH 00650 AX is larger at 650 MBTU/hr versus 625 MBTU/hr. Overall, the Hamilton Engineering HTH 00650 AX sits higher in the category, ranking above 38% of certified commercial boilers.

Performance

SpecHamilton EngineeringVelocity Boiler Works
Thermal Efficiency(%)96.395
Full-Load Input Rate(MBTU/hr)650625
Turndown Ratio10.005.00

Configuration

SpecHamilton EngineeringVelocity Boiler Works
ApplicationOutdoorIndoor
Control TypeMulti-stageMulti-stage
Model NameTorus Outdoor SeriesPHNTM

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