CleanAir Engineering

Environmental ServicesIllinois, United States51-200 Employees

CleanAir Engineering is an environmental services firm based in Palatine, Illinois, founded in 1972. The company provides testing, assessment, and optimization related to boiler operation and air emissions, including boiler and APC equipment efficiency testing, cooling tower performance, SCR baseline testing and optimization, and hazardous air pollutant studies. Its team combines experience across combustion, flue gas cleaning, engineering, regulatory affairs, and analytics, and has completed thousands of projects for utility, industrial, MSW, and hazardous-waste boilers in the United States and abroad.

Its capabilities are supported by equipment resources through CleanAir Instrument Rental and CleanAir Express, including in-house manufacturing for customized sampling gear such as HVT probes and multi-point sampling grids. In January 2026, CleanAir announced the opening of a new office in Northeastern Pennsylvania, expanding its North American presence.

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