San Diego: Careers
**A refrigeration mechanic is chiefly responsible for the maintenance and repair of refrigeration systems in commercial trucks. This type of work involves the use of special equipment and tools to install the refrigeration system, following manufacturer instructions, drawings and management direction. Refrigerator components must be connected to power sources, ducts and refrigerant lines. After installing these components, the refrigeration technician tests the unit to ensure that it is functioning properly.