SpecDirectory

Navien NFB700-800CvsVelocity Boiler Works PHNTM800C

Side-by-side commercial boiler comparison

Navien NFB700-800C

Thermal Efficiency

97.5%

Input Rate

799MBTU/hr

Turndown Ratio

12.00

Application

Indoor

Velocity Boiler Works PHNTM800C

Thermal Efficiency

95%

Input Rate

800MBTU/hr

Turndown Ratio

5.00

Application

Indoor

Key differences

Navien NFB700-800C is 3% more efficient at 97.5 % versus 95.0 % for the Velocity Boiler Works PHNTM800C. The Velocity Boiler Works PHNTM800C is larger at 800 MBTU/hr versus 799 MBTU/hr. Overall, the Navien NFB700-800C sits higher in the category, ranking above 84% of certified commercial boilers.

Performance

SpecNavienVelocity Boiler Works
Thermal Efficiency(%)97.595
Full-Load Input Rate(MBTU/hr)799800
Turndown Ratio12.005.00

Configuration

SpecNavienVelocity Boiler Works
ApplicationIndoorIndoor
Control TypeMulti-stageMulti-stage
Model NameNFB700-800CPHNTM

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