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ClearFire®-CE

Learn about the CFC-E

The ClearFire®-CE (CFC-E) is a compact, high-mass, fully condensing hydronic boiler, capable of variable-flow pumping, allowing for maximum operating efficiency in a variety of system applications.

  • Fully condensing high-mass firetube boiler
  • Compact footprint
  • 500 to 6,000 MBTU
  • Standard less than 20 ppm NOx
  • Ideal for variable flow primary systems
  • Standard dual-return connections
  • Robust, no flow tolerant design

ClearFire®-CE

Connect with the Experts!

Award Winning Innovation

ClearFire®-CE Condensing Boiler Named Most Valuable Product of the Year by Industry Professionals

The CFC-E fully condensing hydronic boiler was the M.V.P. of 2019 according to Consulting-Specifying Engineer. The magazine’s awards program spotlights innovative new products designed to improve quality, lengthen life cycles and increase efficiencies. Learn More

ClearFire®-CE Condensing Boiler Named a Finalist in 2018 AHR Expo Innovation Awards

The CFC-E condensing boiler from Cleaver-Brooks was named a Finalist in the 2018 AHR Innovation Awards in the Heating category. The product was recognized in part based on its ability to achieve up to 99 percent efficiency and system design flexibility. Learn More

Virtual Education

Technical Webinar - Why Ultra-High Turndown Is Bad For Hydronic Condensing Boilers


For optimized system efficiency, matching boiler and pump turndown is critical to maintain the delta T and maximize efficiency. In this intermediate webinar, attendees will learn more about boiler combustion basics, burner excess air and the effect on condensing boiler efficiency and how to maintain design delta T to maximize system efficiency.

On Demand