Commercial ClearFire-H Steam Firetube Boiler — Steam Only

CB Boiler Model CF-H

CB Boiler Model CF-H

Cleaver-Brooks ClearFire CF-HThe ClearFire-H steam boiler is a compact, horizontal boiler offering high efficiency and low-NOx technology. The CF-H compact, gas-fired horizontal boiler is designed specifically for the requirements of the light industrial and commercial markets and is available in sizes ranging from 10-60hp for 15# or 150#psig steam pressure.

  • Steam Boiler
  • 10 to 80 HP
  • Natural gas and propane
  • 15 or 150 psig
  • Standard at NOx < 20 ppm, CO < 10 ppm

Product Overview

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


  • Lower Emissions


  • Process Steam
  • Building Heat
  • Sterilization
  • Humidification