A refrigerator according to an embodiment of the present disclosure includes: a cabinet forming a storage space; a grill pan assembly provided in the storage space and shielding the evaporator from the front; a machine room forming a space independent of the storage space and having a compressor and a condenser; and an air suction member for communicating the heat exchange space in which the evaporator is disposed and the machine room; in which the grill fan assembly includes a case with the open front; a fan provided in the case and configured to force an air flow between the storage space and the heat exchange space; a grill fan shielding the open front of the case and having a discharge port for discharging cold air to the storage space and a suction port for suctioning air from the storage space; a partition dividing the inside of the case into a cold air flow space and a heated air flow space; an exhaust member extending from the case to the inside of the machine room and communicating the inside of the case with the inside of the machine room; and a machine room exhaust damper provided in the case and configured to open and close the exhaust member.