An air-conditioning and refrigerating complex facility comprising: an air-conditioning apparatus including an air-conditioning outdoor unit including an air-conditioning compressor, and an indoor unit connected to the air-conditioning outdoor unit via a pipe and configured to perform air-conditioning of an air-conditioning target space; a refrigerating apparatus including a refrigeration outdoor unit including a refrigeration compressor, and a refrigerating device connected to the refrigeration outdoor unit via a pipe and configured to cool a cooling target; and an operation controller configured to control operation of the air-conditioning apparatus and the refrigerating apparatus, the operation controller including an operation monitoring unit configured to acquire power consumption of the air-conditioning apparatus and power consumption of the refrigerating apparatus, a peak prediction unit configured to predict a peak time in which a sum of the power consumption of the air-conditioning apparatus and the power consumption of the refrigerating apparatus is maximum, and peak power consumption, the power consumption of the air-conditioning apparatus and the power consumption of the refrigerating apparatus being acquired by the operation monitoring unit, an operation controlling unit, characterized in that the operation controlling unit is configured to control the refrigerating apparatus to perform cooling operation of the refrigerating device before the peak time predicted by the peak prediction unit, and perform defrosting operation of the refrigerating device at a time before the peak time and before the cooling operation. an air-conditioning apparatus including an air-conditioning outdoor unit including an air-conditioning compressor, and an indoor unit connected to the air-conditioning outdoor unit via a pipe and configured to perform air-conditioning of an air-conditioning target space; a refrigerating apparatus including a refrigeration outdoor unit including a refrigeration compressor, and a refrigerating device connected to the refrigeration outdoor unit via a pipe and configured to cool a cooling target; and an operation controller configured to control operation of the air-conditioning apparatus and the refrigerating apparatus, the operation controller including an operation monitoring unit configured to acquire power consumption of the air-conditioning apparatus and power consumption of the refrigerating apparatus, a peak prediction unit configured to predict a peak time in which a sum of the power consumption of the air-conditioning apparatus and the power consumption of the refrigerating apparatus is maximum, and peak power consumption, the power consumption of the air-conditioning apparatus and the power consumption of the refrigerating apparatus being acquired by the operation monitoring unit, an operation controlling unit, characterized in that the operation controlling unit is configured to control the refrigerating apparatus to perform cooling operation of the refrigerating device before the peak time predicted by the peak prediction unit, and perform defrosting operation of the refrigerating device at a time before the peak time and before the cooling operation.