ENERGY STAR Partner |
Thermal Solutions Products LLC |
Thermal Solutions Products LLC |
Brand Name |
Burnham by U.S. Boiler |
Burnham by U.S. Boiler |
Model Name |
Citadel |
Citadel |
Model Number |
CTD1250 |
CTD500 |
Full Load Input Rate (kBtu/hr) |
1,250 |
500 |
Thermal Efficiency (%) |
97 |
97 |
Turndown Ratio |
5 |
10 |
Control Type |
Multi-stage |
Multi-stage |
Application |
Indoor |
Indoor |
Date Available On Market |
April 24, 2023 |
April 24, 2023 |
Date Qualified |
February 22, 2024 |
February 22, 2024 |
Markets |
United States, Canada |
United States, Canada |
CB Model Identifier |
ES_23449_CTD1250_05112023171731_5099276 |
ES_23449_CTD500_05112023171728_6019506 |
Product Category |
Commercial Boilers |
Commercial Boilers |
Type |
Commercial Boilers |
Commercial Boilers |
Date Certified |
February 22, 2024 |
February 22, 2024 |
Meets ENERGY STAR Most Efficient 2024 Criteria |
No |
No |