This course offers seven hours of course content about the International Mechanical Code (IMC) — especially what’s new with the 2024 edition. This course is approved by the Texas Department of Licensing Regulation and discusses the following topics:

  • Chapter 1: Scope and Administration
    • This segment deals with how and where the IMC is applicable, who the code official is, and how they administer this code. 
  • Chapter 2: Definitions 
    • This segment defines many of the specific terms used throughout the Code. 
  • Chapter 3: General Regulations 
    • Learn about the regulations that are applicable to more general concepts such as structure protection, equipment and appliance location, and piping support.
  • Chapter 4: Ventilation 
    • The segment looks at the regulation of ventilation and ventilation systems. 
  • Chapter 5: Exhaust systems 
    • Learn how the Code regulates exhaust systems. Clothes dryer exhaust, domestic cooking exhaust equipment, and commercial kitchen makeup air are all discussed.
  • Chapter 6: Duct Systems 
    • Examine regulations applicable to ducts and other related topics, including plenums, air filters, and transfer openings. 
  • Chapter 7: Combustion Air 
    • This segment looks at the general regulations dealing with combustion air. 
  • Chapter 8: Chimneys and Vents 
    • This segment explores the regulations governing chimneys and associated vents.
  • Chapter 9: Specific Appliances, Fireplaces, and Solid Fuel-Burning Equipment 
    • Discover the regulations affecting fireplaces, incinerators, infrared heaters, forced-air warm-air furnaces, and other similar appliances. 
  • Chapter 10: Boilers, Water Heaters, and Pressure Vessels 
    • See how the IMC regulates water heaters, boilers, safety and pressure relief valves and controls, and expansion tanks.
  • Course ID(s): 28970
  • Approved By: Texas Department of Licensing and Regulation - HVAC

Instructor Bio


Gary Xavier holds several certifications and licenses and is also a member of ASHRAE, RETA, and IIAR. He has over 50 years of experience in the HVAC trade including system operation, maintenance, and management. He has worked as an instructor for both online and in-person training including both continuing education and initial training. Prior to teaching, Gary founded and managed his own company specializing in steam and hot water boiler systems, piping, chillers, and glycol systems.