Cleaver-Brooks | Products & Solutions | Boilers | Commercial and Condensing | ClearFire®-H


Horizontal Steam Boiler

  • Steam Boiler
  • 10 to 60 HP
  • Natural gas and propane
  • 15 or 150 psig
  • Standard at less than 20 ppm NOx, less than 10 ppm CO

The ClearFire-H steam boiler is a compact, horizontal boiler offering high efficiency and low-NOx technology.

The ClearFire-H is a horizontal, gas-fired, steam boiler designed for the requirements of the commercial market, available in eight sizes.  The AluFer® tubes with fireside extended heating surface provide maximum heat transfer for superior performance in a compact package.

The modulating premix burner control automatically adjusts the air/gas mixture for 83% efficiency.  The linkageless burner provides up to 5:1 turndown. 

85% efficiency is achievable for high-pressure steam with an optional flue gas economizer package.

The ClearFire-H comes standard with the Falcon touch-screen total boiler control to most efficiently operate your boiler system. 

Skid packages, including steam boiler, feed system, and blowdown separator, are available for turnkey steam solutions.


  • Maximize fuel savings with full burner modulation and high turndown with variable-speed blower motor
  • Efficiencies up to 85%, reducing greenhouse gas emissions
  • Easily tuned, zero-governor, premix burner
  • Advanced combustion design eliminates need for flue gas recirculation, resulting in low emissions
  • No dampers or linkages, for reliable operation
  • Falcon total boiler control with lead lag capability seamlessly integrates up to eight boilers
  • Integral CFH Economizer or external economizer options
  • Skid packages available
  • Thermal shock resistance
  • cULus listed for natural gas
  • Quiet:  <70 dBA sound level

For .dwg and .dxf drawing viewer download the AutoDesk TrueView.

Select one of the models listed below.


  • Lower Emissions


  • Process Steam
  • Building Heat
  • Sterilization
  • Humidification
  • Laundry and Dry Cleaning

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