AIR CONDITIONER

PROBLEM TO BE SOLVED: To provide an air conditioner with good designabilty by disposing a receiving unit with a radio module in a part where an installation space can be easily secured and the unit is never exposed to the appearance.SOLUTION: An air conditioner includes: an indoor unit body 1, and a wireless remote control 19. The indoor unit body includes: a suction port 2 with a filter 21 and a blowout port 3, which are covered with an opening and closing panel 8 in an openable/closable manner; and a heat exchanger 5 and a cross flow fan 6, which are disposed in an air passage connecting the suction port 2 to the blowout port 3, the air passage from the cross flow fan 6 to the blowout port 3 being formed by a front guider 3a and a rear guider 3b, and the front guider 3a including a dew receiving tray rib 41 for forming a dew receiving tray 4 of the heat exchanger 5, which is formed on the back side 3a1 of the surface forming the air passage. A gap 9a is formed by a lower portion of the filter 21, the front guider 3a and the dew receiving tray rib 41, and the receiving unit 10 provided with the radio module receiving radio wave from the wireless remote control 19 is disposed in the gap 9a.