SpecDirectory

PHX650C-O

Velocity Boiler Works · Commercial Boiler

ENERGY STAR CertifiedCommercial Boilers →
Thermal Efficiency

97%

Input Rate

650MBTU/hr

Turndown Ratio

10.00

Application

Outdoor

Velocity Boiler Works PHX650C-O: thermal eff 97%, around the middle of the range for commercial boilers (category median 96.5%).

Where this model sits

Input650MBTU/hr
300median 7502500
Thermal Eff97%
94median 96.598.7

The Velocity Boiler Works PHX650C-O is a 650 MBTU/hr commercial boiler. At 97 % it ranks around the middle of the 386 certified commercial boilers models. Among similar-sized commercial boilers (within 10% of its size), it is less efficient than the peer median of 97 %.

Specifications

Performance
Thermal Efficiency97%
Full-Load Input Rate650MBTU/hr
Turndown Ratio10.00
Configuration
ApplicationOutdoor
Control TypeMulti-stage
Model NamePhantom-XL
Identifiers
Model NumberPHX650C-O
ENERGY STAR IDES_1141425_PHX650C-O_07282025162415_10217617199
PartnerThermal Solutions Products LLC
Date Qualified2025-08-29
Available From2025-08-01
MarketsUnited States, Canada

Documentation

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