Air Conditioner

An air conditioner includes a propeller fan 4 installed within a unit body 1, an L-shaped heat exchanger 8 installed on a lateral surface and a rear surface of the unit body, a bell mouth 6 installed radially outward of the propeller fan, and a partition plate 10 to partition an installation space of a compressor 9 and an installation space of the propeller fan and to guide an airstream from the heat exchanger toward the bell mouth. The bell mouth 6 is formed such that, on a lateral side of the unit body where the heat exchanger 8a is arranged, a first bell mouth portion 6a, which includes a sectional position and thereabout where a length of a segment 15 connecting an end 13 of the heat exchanger on a fan rotating direction side and a fan center 14 is maximized, is extended toward an upstream side longer than a second bell mouth portion 6b which is located at a sectional position in a line-symmetrical relation to the first bell mouth portion 6a with respect to a vertical line 16 passing the fan center 14.