This program prepares students for employment as air conditioning, refrigeration and heating mechanics and it provides supplemental training for persons previously or currently employed. Classroom and shop experiences enable the student to become proficient in the installation, repair, and maintenance of air conditioning and refrigeration systems. Included is instruction in the theory and application of the basic principles involved in the conditioning of air. The operating characteristics of various cooling and heating units and parts are also studied. Blueprint reading and the use of technical reference manuals are included. The student will learn to troubleshoot and repair compressors, valves, and electromechanical controls.