SpecDirectory

HTH 00300 AX

Hamilton Engineering · Commercial Boiler

ENERGY STAR CertifiedCommercial Boilers →
Thermal Efficiency

97%

Input Rate

300MBTU/hr

Turndown Ratio

7.00

Application

Outdoor

Hamilton Engineering HTH 00300 AX: thermal eff 97%, around the middle of the range for commercial boilers (category median 96.5%).

Where this model sits

Input300MBTU/hr
300median 7502500
Thermal Eff97%
94median 96.598.7

The Hamilton Engineering HTH 00300 AX is a 300 MBTU/hr commercial boiler. At 97 % it ranks around the middle of the 386 certified commercial boilers models.

Specifications

Performance
Thermal Efficiency97%
Full-Load Input Rate300MBTU/hr
Turndown Ratio7.00
Configuration
ApplicationOutdoor
Control TypeMulti-stage
Model NameTorus Outdoor Series
Identifiers
Model NumberHTH 00300 AX
ENERGY STAR IDES_1083631_HTH 00300 AX_07212026010147_10218687541
PartnerMestek, Inc.
Date Qualified2026-08-04
Available From2023-10-12
MarketsUnited States, Canada

Documentation

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