A Reefer Technician is a specialized mechanic responsible for maintaining, repairing, and troubleshooting refrigerated transport units, commonly known as reefers. These units are used on trucks, trailers, and shipping containers to keep perishable goods at controlled temperatures. The job involves diagnosing electrical, mechanical, and refrigeration system issues, performing preventative maintenance, and ensuring compliance with safety and environmental regulations. Reefer Technicians typically work for transportation companies, logistics providers, or specialized repair shops. Strong technical skills, knowledge of refrigeration systems, and EPA certification for handling refrigerants are often required.