A device management system, comprising: a device information storing unit that stores device information (21, 41) related to facility devices, the facility devices being refrigerating and air-conditioning devices; a condition information storing unit that stores a specifying condition for specifying a checked subject from the facility devices, the check contents being refrigerant leakage and events that may cause refrigerant leakage; and a device list generating unit that generates a device list (24, 44) of a subject device that is the checked subject, wherein the device information storing unit is separate from the condition information storing unit, the device information (21, 41) includes information related to a product classification of each of the facility devices and information related to a rated output of a compressor installed in each of the facility devices, the specifying condition includes: the product classification as information for specifying the facility devices; a check frequency that is set in accordance with the product classification as information for specifying a check period of each of the facility devices; the rated output of the compressor as information for specifying the facility devices; and a check frequency that is set in accordance with the rated output of the compressor as information for specifying a check period of each of the facility devices, the specifying condition is not associated with each facility device, and the device list generating unit is configured to compare the device information stored in the device information storing unit and the specifying condition stored in the condition information storing unit to specify a subject device that is the checked subject in a specific period, which is determined by a user, from the facility devices in accordance with: a determination based on the product classification of the device information and the check frequency set in accordance with the product classification in the specifying condition; and a determination based on the rated output of the compressor of each of the facility devices and the check frequency set in accordance with the rated output of the compressor. a device information storing unit that stores device information (21, 41) related to facility devices, the facility devices being refrigerating and air-conditioning devices; a condition information storing unit that stores a specifying condition for specifying a checked subject from the facility devices, the check contents being refrigerant leakage and events that may cause refrigerant leakage; and a device list generating unit that generates a device list (24, 44) of a subject device that is the checked subject, wherein the device information storing unit is separate from the condition information storing unit, the device information (21, 41) includes information related to a product classification of each of the facility devices and information related to a rated output of a compressor installed in each of the facility devices, the specifying condition includes: the product classification as information for specifying the facility devices; a check frequency that is set in accordance with the product classification as information for specifying a check period of each of the facility devices; the rated output of the compressor as information for specifying the facility devices; and a check frequency that is set in accordance with the rated output of the compressor as information for specifying a check period of each of the facility devices, the specifying condition is not associated with each facility device, and the device list generating unit is configured to compare the device information stored in the device information storing unit and the specifying condition stored in the condition information storing unit to specify a subject device that is the checked subject in a specific period, which is determined by a user, from the facility devices in accordance with: a determination based on the product classification of the device information and the check frequency set in accordance with the product classification in the specifying condition; and a determination based on the rated output of the compressor of each of the facility devices and the check frequency set in accordance with the rated output of the compressor. a determination based on the product classification of the device information and the check frequency set in accordance with the product classification in the specifying condition; and a determination based on the rated output of the compressor of each of the facility devices and the check frequency set in accordance with the rated output of the compressor.