A Course in Refrigeration and Air Conditioning is a specialized course that covers topics related to air conditioning and refrigeration process and working of different parts of cooling devices. Refrigeration and Air Conditioning is all about the maintenance of different parts of Refrigeration and Air Conditioning devices. A student enrolled in Diploma in Refrigeration and Air Conditioning course learn various skills and grab knowledge related to the servicing and repair of refrigerators, air conditioners, air coolers, coolants of vehicles, etc.