An embodiment of the present invention relates to an air conditioning management apparatus which can increase the Power Usage Effect (PUE) by utilizing the sensing information inside and outside a data center, and includes a sensor for detecting a temperature of an air exhausted from server racks, detecting the degree of contamination of a filter for purifying an outside air, and outputting a sensing information for it; a power supply for supplying a operation power to a exhaust blower for exhausting an inside air of the data center to an outside and an air supply blower for supplying the outside air to the data center; and a controller for controlling operations of the exhaust blower and the air supply blower by controlling the power supply depending on the sensing information, and determining and notifying a replacement time of the filter.