An air-conditioning system comprising: - a plurality of air-conditioning apparatuses configured to condition air in an air-conditioned space; the system being characterized in that it furthermore comprises: - a storage unit configured to store an apparatus rankings created for the plurality of air-conditioning apparatuses in order of a shorter time taken to reach a set temperature, and a processing proportion of a load to be processed by each of the air-conditioning apparatuses that are at a second place and subsequent places in the apparatus rankings; and - a controller configured to control an operation of the plurality of air-conditioning apparatuses, wherein the controller includes - an extraction unit configured to extract a lower limit load that occurs at a minimum, in a load that occurs in the air-conditioned space and that changes depending a time period, - a distribution unit configured to distribute a proportion at which the lower limit load extracted by the extraction unit is to be processed, as the processing proportion stored in the storage unit, and - an air-conditioning control unit configured to control each of the air-conditioning apparatuses that are at the second place and subsequent places in the apparatus rankings, such that the lower limit load is processed at the processing proportion distributed by the distribution unit, and to control the air-conditioning apparatus that is at a first place in the apparatus rankings, such that a remaining load of the lower limit load and a fluctuating load that occurs over the lower limit load are processed. - a plurality of air-conditioning apparatuses configured to condition air in an air-conditioned space; the system being characterized in that it furthermore comprises: - a storage unit configured to store an apparatus rankings created for the plurality of air-conditioning apparatuses in order of a shorter time taken to reach a set temperature, and a processing proportion of a load to be processed by each of the air-conditioning apparatuses that are at a second place and subsequent places in the apparatus rankings; and - a controller configured to control an operation of the plurality of air-conditioning apparatuses, wherein the controller includes - an extraction unit configured to extract a lower limit load that occurs at a minimum, in a load that occurs in the air-conditioned space and that changes depending a time period, - a distribution unit configured to distribute a proportion at which the lower limit load extracted by the extraction unit is to be processed, as the processing proportion stored in the storage unit, and - an air-conditioning control unit configured to control each of the air-conditioning apparatuses that are at the second place and subsequent places in the apparatus rankings, such that the lower limit load is processed at the processing proportion distributed by the distribution unit, and to control the air-conditioning apparatus that is at a first place in the apparatus rankings, such that a remaining load of the lower limit load and a fluctuating load that occurs over the lower limit load are processed. - a storage unit configured to store an apparatus rankings created for the plurality of air-conditioning apparatuses in order of a shorter time taken to reach a set temperature, and a processing proportion of a load to be processed by each of the air-conditioning apparatuses that are at a second place and subsequent places in the apparatus rankings; and - a controller configured to control an operation of the plurality of air-conditioning apparatuses, wherein the controller includes - an extraction unit configured to extract a lower limit load that occurs at a minimum, in a load that occurs in the air-conditioned space and that changes depending a time period, - a distribution unit configured to distribute a proportion at which the lower limit load extracted by the extraction unit is to be processed, as the processing proportion stored in the storage unit, and - an air-conditioning control unit configured to control each of the air-conditioning apparatuses that are at the second place and subsequent places in the apparatus rankings, such that the lower limit load is processed at the processing proportion distributed by the distribution unit, and to control the air-conditioning apparatus that is at a first place in the apparatus rankings, such that a remaining load of the lower limit load and a fluctuating load that occurs over the lower limit load are processed.