CECO Environmental

- Overfire Air (OFA) Systems



Overfire Air (OFA) systems divert a portion of the combustion air away from the primary combustion zone. Our CCA Combustion Systems brand Overfire Air system, deeply stages combustion for enhanced nitrogen oxide (NOx) reduction. By utilizing a unique port design to ensure advantageous air and fuel mixing, our OFA system can minimize NOx, achieving 30-40% reductions beyond low NOx burners. We apply years of experience and knowledge with our patented innovative technologies to reduce NOx emissions on wall, cyclone, tangential, and stoker-fired boilers burning oil, gas, coal and biofuels, providing low cost solutions to fit your specific needs.

  • Low Total Cost of Ownership
  • High-efficiency NOx removal
  • Long life system

  • Unique ports designed to inject air at the proper velocity
  • Tilting ports both in horizontal and vertical positions available

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