Industrial Purpose Air Cooling Unit has cooling coils which are made from steel tubes for ammonia refrigerating systems and copper for halocarbons. The Air Cooling Unit has tubes, arranged in selected number of rows as per the application requirements. The Air Cooling Unit is provided with centrifugal or axial or propeller fans which are selected to suit the pressure drop across the coils and air distribution requirements. Industrial Purpose Air Cooling Unit is featured with two speed fans depending upon the variable cooling requirements during product cooling or freezing and room temperature maintenance.