ENERGY STAR Partner |
Thermal Solutions Products LLC |
U.S. Boiler Company, LLC |
Brand Name |
Burnham by U.S. Boiler |
Burnham by U.S. Boiler |
Model Name |
Citadel |
Alpine |
Model Number |
CTD1500 |
ALP500C |
Full Load Input Rate (kBtu/hr) |
1,500 |
500 |
Thermal Efficiency (%) |
97 |
97 |
Turndown Ratio |
5 |
5 |
Control Type |
Multi-stage |
Multi-stage |
Application |
Indoor |
Indoor |
Date Available On Market |
April 24, 2023 |
November 1, 2017 |
Date Qualified |
March 1, 2024 |
April 10, 2018 |
Markets |
United States, Canada |
United States, Canada |
CB Model Identifier |
ES_23449_CTD1500_05112023171732_5230457 |
ES_23449_ALP500C_04102018174752_1033193 |
Product Category |
Commercial Boilers |
Commercial Boilers |
Type |
Commercial Boilers |
Commercial Boilers |
Date Certified |
March 1, 2024 |
April 10, 2018 |
Meets ENERGY STAR Most Efficient 2024 Criteria |
No |
No |