AIR CONDITIONER

PROBLEM TO BE SOLVED: To provide an air conditioner capable of efficiently uniformizing not only temperature but also humidity in all rooms of a building. SOLUTION: A guided diffusion duct 11 comprises a filter formed of a material leaking an air and a frame having a ventilation passage and fixedly installable on the indoor ceiling part of the building. The frame comprises an inlet for blowing air into the ventilation passage, a blow air diffusion port formed along the ventilation passage and discharging the air taken from the inlet, and a holding part capable of holding the filter disposed at the blow air diffusion port. The moisture supply part 12 comprises a valve capable of adjusting a moisture supply amount and supplying moisture. A water channel 13 is connected to the moisture supply part 12 and laid out on the upper side of the duct along the air blow diffusion port so that water can be stored therein. An air flow generating device 14 comprises a base part fixedly installable on the indoor ceiling part and an air blower capable of blowing the air toward a floor side when the base is fixed to the indoor ceiling part. COPYRIGHT: (C)2006,JPO&NCIPI