Compact air conditioner outdoor unit having high heat exchanging ability

An air conditioner outdoor unit comprising:

• a housing including front and rear walls and side walls joining the front and rear walls;
• a cross-flow fan having a generally cylindrical periphery disposed within the housing, the rotational axis of the fan being disposed generally parallel to joints formed between the front and rear walls and the side walls;
• a heat exchanger disposed within the housing, the heat exchanger being curved so as to surround a first region of the cylindrical periphery of the fan;
• air intake means forming an air intake to the first region of the fan extending through the front wall and through the heat exchanger;
• air discharge means forming an air discharge passage from a second region of the fan, the air discharge means comprising a scroll wall which forms, with a side wall and the rear wall, a first housing compartment;
• a compressor disposed within the housing;
• and
• at least one refrigerant conduit connected to the compressor and extending through the first housing compartment.