The 2012 International Mechanical Code (IMC), developed by the International Code Council (ICC), provides comprehensive regulations for the design, installation, and maintenance of mechanical systems, including heating, ventilation, air conditioning (HVAC), refrigeration, and fuel gas piping. Used nationwide for licensing and certification exams, the IMC establishes uniform safety and performance standards critical for HVAC contractors, mechanical contractors, and building inspectors. As part of 1 Exam Prep’s mechanical license study materials, it supports exam preparation for Florida’s Mechanical Contractor License and related CILB-regulated certifications by aligning with trade knowledge requirements for system design, load calculations, duct construction, and ventilation standards. This code ensures compliance with energy efficiency mandates and public health protection standards within mechanical installations.