A refrigeration apparatus comprising: a cooling heat exchanger configured to cool an interior; a fan mechanism configured to generate a flow of air for cooling the cooling heat exchanger; a compressor configured to compress a refrigerant; a refrigerant circuit to which the cooling heat exchanger and the compressor are connected and which is configured to perform a refrigeration cycle with the refrigerant that is circulated; a humidity detection unit configured to detect a humidity of interior air; a temperature detection unit configured to detect a temperature of interior air; a control unit configured to perform normal operation control for controlling drive of the fan mechanism and the compressor in order to bring an interior temperature detected by the temperature detection unit to a target temperature, wherein the control unit is further configured to perform dehumidification control for adjusting a humidity detected by the humidity detection unit to a predetermined target range of humidity, power-saving control which is implemented by the control of drive of the fan mechanism and the compressor such that during the implementation of the power-saving control a change in the interior temperature within a temperature range is tolerated, the temperature range including the target temperature, characterized in that the control unit is configured to perform switching from the dehumidification control to the power-saving control after humidity has been decreased sufficiently by the dehumidification control and a humidity detected by the humidity detection unit has become a lower limit value of the target range of the humidity or less at a time of the dehumidification control, wherein the refrigeration apparatus further comprises a measurement unit configured to measure an elapsed time from a time point at which a humidity detected by the humidity detection unit has become a lower limit value of the target range of the humidity or less, the control unit is configured to perform switching from the dehumidification control to the power-saving control in a case where the elapsed time measured by the measurement unit has reached a certain time that is predetermined. a cooling heat exchanger configured to cool an interior; a fan mechanism configured to generate a flow of air for cooling the cooling heat exchanger; a compressor configured to compress a refrigerant; a refrigerant circuit to which the cooling heat exchanger and the compressor are connected and which is configured to perform a refrigeration cycle with the refrigerant that is circulated; a humidity detection unit configured to detect a humidity of interior air; a temperature detection unit configured to detect a temperature of interior air; a control unit configured to perform normal operation control for controlling drive of the fan mechanism and the compressor in order to bring an interior temperature detected by the temperature detection unit to a target temperature, wherein the control unit is further configured to perform dehumidification control for adjusting a humidity detected by the humidity detection unit to a predetermined target range of humidity, power-saving control which is implemented by the control of drive of the fan mechanism and the compressor such that during the implementation of the power-saving control a change in the interior temperature within a temperature range is tolerated, the temperature range including the target temperature, characterized in that the control unit is configured to perform switching from the dehumidification control to the power-saving control after humidity has been decreased sufficiently by the dehumidification control and a humidity detected by the humidity detection unit has become a lower limit value of the target range of the humidity or less at a time of the dehumidification control, wherein the refrigeration apparatus further comprises a measurement unit configured to measure an elapsed time from a time point at which a humidity detected by the humidity detection unit has become a lower limit value of the target range of the humidity or less, the control unit is configured to perform switching from the dehumidification control to the power-saving control in a case where the elapsed time measured by the measurement unit has reached a certain time that is predetermined.