REFRIGERANT-HEATING DEVICE AND HEAT PUMP SYSTEM INCLUDING THE SAME

A refrigerant-heating device and a heat pump system including the same are described. The refrigerant-heating device includes a heating tank including an inlet, through which a refrigerant discharged from a compressor flows thereinto, and a heat exchange outlet, from which the refrigerant therein is discharged, the heat exchange outlet being located at a position spaced apart from the inlet, and a heater coupled to the heating tank in a state of being inserted into the heating tank, the heater extending in a planar direction between the inlet and the heat exchange outlet and heating the refrigerant in the heating tank during operation.