A refrigeration apparatus comprising: a refrigerant circuit including a heat source-side unit for being installed outdoors, wherein the heat source-side unit includes a radiator, and a utilization-side unit connected to the heat source-side unit, the refrigerant circuit being configured to perform a refrigeration cycle in which a high pressure reaches or exceeds a critical pressure of the refrigerant; and a control unit configured to control an action of the refrigerant circuit and to perform a first action of recovering at least a part of the refrigerant from the utilization-side unit and returning the refrigerant thus recovered to the heat source-side unit in a case where a stop condition of the utilization-side unit is satisfied, characterized in that the heat source-side unit further includes a refrigerant storage reservoir, and in that the controller is further configured to perform a second action of prohibiting the first action in a case where a first condition indicating that a pressure at the heat source-side unit is equal to or more than the critical pressure of the refrigerant is satisfied, wherein the control unit is configured to perform the second action in a case where a predetermined condition indicating that a pressure at the refrigerant storage reservoir is equal to or more than the critical pressure of the refrigerant is satisfied as the first condition. a refrigerant circuit including a heat source-side unit for being installed outdoors, wherein the heat source-side unit includes a radiator, and a utilization-side unit connected to the heat source-side unit, a heat source-side unit for being installed outdoors, wherein the heat source-side unit includes a radiator, and a utilization-side unit connected to the heat source-side unit, the refrigerant circuit being configured to perform a refrigeration cycle in which a high pressure reaches or exceeds a critical pressure of the refrigerant; and a control unit configured to control an action of the refrigerant circuit and to perform a first action of recovering at least a part of the refrigerant from the utilization-side unit and returning the refrigerant thus recovered to the heat source-side unit in a case where a stop condition of the utilization-side unit is satisfied, characterized in that the heat source-side unit further includes a refrigerant storage reservoir, and in that the controller is further configured to perform a second action of prohibiting the first action in a case where a first condition indicating that a pressure at the heat source-side unit is equal to or more than the critical pressure of the refrigerant is satisfied, wherein the control unit is configured to perform the second action in a case where a predetermined condition indicating that a pressure at the refrigerant storage reservoir is equal to or more than the critical pressure of the refrigerant is satisfied as the first condition. a first action of recovering at least a part of the refrigerant from the utilization-side unit and returning the refrigerant thus recovered to the heat source-side unit in a case where a stop condition of the utilization-side unit is satisfied, characterized in that the heat source-side unit further includes a refrigerant storage reservoir, and in that the controller is further configured to perform a second action of prohibiting the first action in a case where a first condition indicating that a pressure at the heat source-side unit is equal to or more than the critical pressure of the refrigerant is satisfied, wherein the control unit is configured to perform the second action in a case where a predetermined condition indicating that a pressure at the refrigerant storage reservoir is equal to or more than the critical pressure of the refrigerant is satisfied as the first condition.