A refrigerant circulating apparatus for a vehicle, includes at least one heat exchanger configured to heat-exchange a refrigerant; at least one valve provided to selectively flow the refrigerant to the at least one heat exchanger; and a refrigerant distribution unit having a first surface on which the at least one heat exchanger and the at least one valve are provided and a second surface on which at least one flow path through which the refrigerant circulates through the at least one heat exchanger and the at least one valve is provided.