Patent ID: 7614246

Claim:
An air conditioning apparatus configured to be mountable on a ceiling of an air-conditioned room, the air conditioning apparatus comprising: a casing having an intake port formed in a bottom surface thereof; a filter provided in the intake port; a cleaning mechanism arranged to remove dust collected by the filter from the filter; and a dust box provided at the bottom surface of the casing to collect the dust removed by the cleaning mechanism, the dust box having a nozzle insertion hole formed facing downward in the dust box, and the nozzle insertion hole being sized and configured to receive a nozzle of a vacuum cleaner therein, the nozzle insertion hole being provided with an opening/closing lid that is configured to be opened by the insertion of the nozzle of the vacuum cleaner, and the nozzle insertion hole being provided with an additional opening/closing lid, and the two opening/closing lids being arranged in alignment with a direction in which the nozzle of the vacuum cleaner is moved when inserted in the nozzle insertion hole.