Refrigeration and Air Conditioning I HVAC 9029 Email to a Friend Learn the fundamentals of refrigeration through our Refrigeration and Air Conditioning I course, including compression systems, refrigerants, metering devices, expansion valves, evaporators, compressors, flow equipment, electric controls and control valves. Contact Information 416-415-5000, ext. 4861 email@example.com Course Section(s) Available Class dates and registration for the upcoming year (September 2018 to August 2019) will be available on this website on Wednesday, July 4, 2018. Please visit this page again on that date. Some courses require you to purchase a textbook. The cost of the textbook is not included in the course fee unless otherwise indicated. If there is a textbook assigned for this course, it will be listed on the bookstore website.