A refrigeration apparatus comprising: a heat source unit having a heat source circuit connecting a compressor, a heat-source-side heat exchanger, and a heat-source-side expansion valve; and a utilization unit having a utilization circuit connecting a utilization-side heat exchanger and a utilization-side expansion valve; the heat source circuit and the utilization circuit being connected to provide a refrigerant circuit for performing cooling operation by circulating a refrigerant so that the heat-source-side heat exchanger functions as a condenser, and the utilization-side heat exchanger functions as an evaporator, wherein the heat-source-side expansion valve and the utilization-side expansion valve in the refrigerant circuit are connected through a liquid connecting pipe, characterized in that the utilization unit is placed at a level lower than the heat source unit, and in that the refrigeration apparatus includes a heat-source-side valve opening control means for controlling a degree of opening of the heat-source-side expansion valve in the cooling operation using a target control value for the cooling operation determined based on a height difference between a placement position of the heat source unit and a placement position of the utilization unit so that pressure of the refrigerant flowing into the utilization-side expansion valve in the cooling operation becomes equal to or lower than a predetermined reference pressure value, or a heat-source-side upper limit setting means for setting an upper limit value of a degree of opening of the heat-source-side expansion valve in the cooling operation based on a height difference between a placement position of the heat source unit and a placement position of the utilization unit so that the pressure of the refrigerant flowing into the utilization-side expansion valve becomes equal to or lower than the predetermined reference pressure value in the cooling operation. a heat source unit having a heat source circuit connecting a compressor, a heat-source-side heat exchanger, and a heat-source-side expansion valve; and a utilization unit having a utilization circuit connecting a utilization-side heat exchanger and a utilization-side expansion valve; the heat source circuit and the utilization circuit being connected to provide a refrigerant circuit for performing cooling operation by circulating a refrigerant so that the heat-source-side heat exchanger functions as a condenser, and the utilization-side heat exchanger functions as an evaporator, wherein the heat-source-side expansion valve and the utilization-side expansion valve in the refrigerant circuit are connected through a liquid connecting pipe, characterized in that the utilization unit is placed at a level lower than the heat source unit, and in that the refrigeration apparatus includes a heat-source-side valve opening control means for controlling a degree of opening of the heat-source-side expansion valve in the cooling operation using a target control value for the cooling operation determined based on a height difference between a placement position of the heat source unit and a placement position of the utilization unit so that pressure of the refrigerant flowing into the utilization-side expansion valve in the cooling operation becomes equal to or lower than a predetermined reference pressure value, or a heat-source-side upper limit setting means for setting an upper limit value of a degree of opening of the heat-source-side expansion valve in the cooling operation based on a height difference between a placement position of the heat source unit and a placement position of the utilization unit so that the pressure of the refrigerant flowing into the utilization-side expansion valve becomes equal to or lower than the predetermined reference pressure value in the cooling operation.