Recent SemestersSpring 2026, Spring 2025, Spring 2024Class Size20–24 studentsCredits4PrerequisiteHVAC 201 and HVAC 202 with a grade of "C" or better Transfers ToNot transferableDescriptionThis course introduces refrigeration and applications. Topics include defrost methods, safety and operational control, refrigerant piping, refrigerant recovery and charging, and leak testing. This course covers the installation and startup of common commercial refrigeration systems. Topics include display/storage boxes or cases, walk-in systems, and supermarket racks. In addition to that this course introduces the students to commercial ice machines. Emphasis is placed on dispensing machines, ice making equipment, electrical and mechanical operation sequences, control adjustment procedures, preventative maintenance, repair, and installation procedures using a variety of refrigerants and blends. PREREQUISITE: HVAC 201 and HVAC 202 with a grade of "C" or better. Advisory: MATH 430.Usually HeldSat 12:20pm–3:30pm 