A HEAT EXCHANGER

摘要

The present invention relates to a heat exchanger. According to an embodiment of the present invention, the heat exchanger includes a refrigerant tube for allowing refrigerant to flow; and a fin having two or more tube through-holes into which the refrigerant tube is inserted. The fin includes a fin body; a plurality of louvers protruding from the surface of the fin body; a flat part having a flat surface between the louvers; and a guide part on one or more sides of the flat part to guide air to flow or defrosting water to be discharged.