Introduction to the air conditioning aspect of the heating, ventilation, air conditioning, and refrigeration (HVACR) industry. Designed to provide entry-level knowledge and skills needed to perform installation, troubleshooting, and service on residential and light commercial air conditioning systems, including split-system air conditioning units, package air conditioning units, and water-cooled air conditioning systems. 3 Credits (2 Lecture - 3 Lab) Prerequisite(s): ACR111. Corequisite(s): ACR239. Spring Only.