Automated Control Systems (ACS) is a technological leader in the Continuous Emissions Monitoring Business. Providing Systems, Software, and Services to customers since 1988. ACS has combined many years of experience to bring the industry the most reliable and maintenance free CEM systems on the market today. We have the capability to customize each installation to the customer’s needs, from complete turnkey installations to system retrofits. ACS has approximately 350 emission monitors operating in the U.S.




