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Since 1991, ACI has been manufacturing Sensors and Transmitters.  In the last 20 years, we have become one of the leading, full-line sensor sources in the HVAC Industry.  ACI has an engineering staff that produces over 500 new products, and product variations, annually. 

ACI’s hours of operations are 7:30 A.M. to 5:30 P.M. CST (Monday-Friday). ACI’s dedicated Technical Support staff is present during these hours to assist with questions and/or concerns.

Contact ACI: 1-888-967-5224

Fax us at:  1-608-831-7407


Automation Components, Inc. (ACI) is a manufacturer and distributor of sensors for the Heating, Ventilation, and Air Conditioning (HVAC) Industry. ACI was founded in 1991 and is located in Middleton, Wisconsin.


1-888-967-5224 Toll Free

(608) 831-7407 FAX

2305 Pleasant View Road

Middleton, WI 53562

EMail sales@workaci.com


View ACI latest Webinar here 



ACI is ISO9001 Certified