• ​Service
  • Repairs
  • Installations
  • TRS
  • ​NOx
  • SO2
  • Opacity
  • CO
  • CO2
  • ​And much more.



CEMS AND Service

Automated Control Systems (ACS) is a technological leader in the Continuous Emissions Monitoring Business.We have been 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 suit the customer’s needs, from complete turnkey installations to system retrofits. ACS has approximately 350 emission monitors operating in the U.S.

We Monitor

Go with someone who's been there


All of our technicians possess years of on-the-job experience. They are also committed to keeping up with the latest advances in the field. You can rest easy, because your CEMS will be in the best and most skilled hands that it can be.

SEASONED PROfessionals

Contact us: 334-792-0113