VEHICLE AIR-CONDITIONING SYSTEM EMPLOYING TUBE-FIN-TYPE EVAPORATOR USING HFO 1234YF MATERIAL REFRIGERANT

Provided is an air conditioning system with a tube-fin type evaporator which obtains optimal performance The air conditioning system with the tube-fin type evaporator using HFO 1234yf refrigerant, which has totally different physical properties from conventional refrigerant containing R-134, CO 2 or the like, has an optimal design corresponding to a physical property of the used refrigerant.