SpecDirectory

RUHBH-FT399P

Ruud · Commercial Boiler

ENERGY STAR CertifiedCommercial Boilers →
Thermal Efficiency

96.5%

Input Rate

399MBTU/hr

Turndown Ratio

9.00

Application

Indoor

Ruud RUHBH-FT399P: thermal eff 96.5%, around the middle of the range for commercial boilers (category median 96.5%).

Where this model sits

Input399MBTU/hr
300median 7502500
Thermal Eff96.5%
94median 96.598.7

The Ruud RUHBH-FT399P is a 399 MBTU/hr commercial boiler. At 96.5 % 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 96.5 %.

Specifications

Performance
Thermal Efficiency96.5%
Full-Load Input Rate399MBTU/hr
Turndown Ratio9.00
Configuration
ApplicationIndoor
Control TypeMulti-stage
Model NameRUHBH-FT399P
Identifiers
Model NumberRUHBH-FT399P
ENERGY STAR IDES_1084006_RUHBH-FT399P_01292026010131_10218079216
PartnerIBC Technologies Inc.
Date Qualified2026-03-24
Available From2026-04-01
MarketsUnited States

Documentation

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