Patent ID: 8689577

Claim:
An in-ceiling embedded indoor unit of an air conditioner including an air blower and an indoor heat exchanger accommodated in a housing having a box-shape, comprising: knock-out hole portions that are formed in side surfaces of the housing capable of being freely pushed out forming opening portions; and a filtering unit of the indoor unit that comprises an assembly of a plate-shaped member detachable from the housing, an electrolytic bath for generating the electrolytic water by electrolyzing water, a controller controlling current supply in the electrolytic bath and a gas-liquid contact member infiltrated with the electrolytic water on an air blowing passage through which air sucked by the air blower flows in the indoor unit, the air and the electrolytic water being brought into contact with each other in the gas-liquid contact member to filter the air; wherein the filtering unit is positioned in one of the opening portions, the plate-shaped member closing the opening portion, and the gas-liquid contact member is disposed at a downstream side of the indoor heat exchanger, the assembly of the filtering unit having the gas-liquid contact member fixed to an inner surface of the plate-shaped member at the inside of the housing, and the electrolytic bath and the controller are fixed to the outer surface of the plate-shaped member at an outside of the housing, and the assembly of the filtering unit is configured to be detachable from the housing.