To provide an air conditioner capable of improving workability in pipe connecting work in installation and maintenance without unnecessarily changing a structure and needing costs.

This air conditioner 1 includes a vertically-long cabinet 2, an indoor heat exchanger and a drainage pan are disposed in an upper half region inside the cabinet 2, an indoor fan 5 is disposed in a lower half region, and refrigerant tubes 17, 18 from the indoor heat exchanger and a drainage hose 19 from the drainage pan are extended to the lower half region along a side surface of the cabinet 2, and connected to external tubes in the vicinity of intake grilles 3B disposed on both right and left side sections of an intake panel disposed on a front surface of the lower half region of the cabinet 2. The intake grille 3B on the side where at least the refrigerant tubes 17, 18 and the drainage hose 19 are extended, is installed in such a way that an inner end part thereof is rotatable outward on an outer end part thereof as a support point.