SpecDirectory

HTH 00500 AX

Hamilton Engineering · Commercial Boiler

ENERGY STAR CertifiedCommercial Boilers →
Thermal Efficiency

96.4%

Input Rate

500MBTU/hr

Turndown Ratio

10.00

Application

Outdoor

Hamilton Engineering HTH 00500 AX: thermal eff 96.4%, around the middle of the range for commercial boilers (category median 96.5%).

Where this model sits

Input500MBTU/hr
300median 7502500
Thermal Eff96.4%
94median 96.598.7

The Hamilton Engineering HTH 00500 AX is a 500 MBTU/hr commercial boiler. At 96.4 % 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 Efficiency96.4%
Full-Load Input Rate500MBTU/hr
Turndown Ratio10.00
Configuration
ApplicationOutdoor
Control TypeMulti-stage
Model NameTorus Outdoor Series
Identifiers
Model NumberHTH 00500 AX
ENERGY STAR IDES_1083631_HTH 00500 AX_07212026010147_10218687544
PartnerMestek, Inc.
Date Qualified2026-08-04
Available From2023-10-12
MarketsUnited States, Canada

Documentation

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