An integrated air conditioner in which a filter (26) is provided in an external-air introduction vent to remove foreign matter and dust, the filter being easily attached and removed from the front of the indoor unit (4) to facilitate maintenance, such as cleaning. In an integrated air conditioner (1) including an indoor unit (4) and an outdoor unit (5) that are integrated in a single unit, an indoor air duct (9) and a blowing duct of an outdoor fan (22) of the outdoor unit (5) communicate with each other via an external-air entry duct (23). A damper (24) for introducing the external air is provided at an opening of the external-air entry duct (23), which opening leads to the indoor air duct (9), in such a manner that the damper (24) can be opened and closed. A filter (26) accessible from the front of the indoor unit (4) and attachably and removably fitted to the external-air entry duct (23) is provided in the external-air entry duct (23).