The 2006 Michigan Mechanical Code is based on the 2006 International Mechanical Code, and includes amendments adopted by the State of Michigan. These new amendments cover information specific to the State of Michigan regarding rules promulgated under 1972 PA 230, the State Construction Code Act. The State Construction Code Act was amended by 1999 PA 245, effective December 28, 1999, requiring the use of the State Codes as they are updated by rules promulgated after October 15, 1999. These rules adopt by reference, in R408.30901a of the Michigan Administrative Code, the International Mechanical Code, 2006 edition, and reflect deletions, additions, and amendments to the International Code.

The 2006 Michigan Mechanical Code regulates the design, installation, maintenance, alteration and inspection of mechanical systems that are permanently installed and utilized to provide control of environmental conditions and related processes within buildings. This code shall also regulate those mechanical systems, system components, equipment, and appliances specifically addressed in this code.