ACI can service a wide variety of digital and pneumatic temperature control and building automation systems. As a Johnson Controls Authorized Building Controls Specialist (ABCS), ACI technicians are factory trained to service current and legacy based systems.

The Johnson Controls systems that can be serviced include

• Metasys® legacy systems
• Metasys® Companion
• Metasys® N-30
• Metasys® Network Control Module (NCM)
• Metasys® Network Automation Engine (NAE) Extended Architecture
• DSC8500 • JC8540
• Metasys® M5 systems
*We can also service many of the Honeywell, Distech, and Schneider Electric (T.A.C. Lon) systems.

On-Site Service

Applied Controls, Inc. takes pride in our fast response when assisting with your emergency service needs. Our highly trained technicians can diagnose and repair your system quickly and are available 24/7. For immediate service call 630.836.9440 or submit this form (link to email services submission form) to schedule a visit.


Service Agreements

To minimize future repair bills and increase system efficiency, consider a Service Agreement with ACI. Our experts can tailor an agreement to your facility's specific needs and budget.


Service agreements can include:

• Preventive maintenance programs to extend your system's useful life and
avoid problems before they occur.
• Regularly scheduled visits to ensure your system is operating efficiently.
• Block-of-hour contracts that offer maximum flexibility and a discount on
normal emergency service rates.

For more information about service agreements, use the email submission form to the right or call 630.836.9440.





For additional information or
to schedule a non-emergency
on-site call, please fill out the fields below.

Please contact me in regard to:

 On-site call
 Service contract