​This course covers the analysis of vapor compression refrigeration cycle. P-h diagram and thermal analysis of the cycle is covered. The refrigeration system main components, functions and types will be included. The factors affecting on the operation of refrigeration cycle will be covered.  Types of refrigerants used in air conditioning and refrigeration systems are included. Air conditioning process and its Psychrometric will be covered. The construction and types of common all air - HVAC systems will be discussed. The strategies for operating HVAC systems and their basic control will be included. Also, the factors affecting on the performance of air-conditioning systems will be included. Practically: the charging and evacuation processes of HVAC&R systems will be covered. The process of recovery and recycle of refrigerants will be covered.  Domestic refrigerators, Window A/C, Split A/C, Central Package Units, Automobile A/C, parts, operation, maintenance, and faults will be covered. The good practice procedure during operation & maintenance of HVACR systems will be covered. The HVAC system efficient operation procedure after maintenance will be applied.