An indoor device for an air conditioner having wind visors is provided. Each wind visor may have a shape corresponding to a shape of a respective discharge hole of the indoor device and may be directly rotatably mounted on a bottom surface of the indoor device to guide discharged air, thereby providing a simplified structure. A fixing portion, on which the wind visor may be installed, may be provided in the indoor device, and the wind visor may be rotatably coupled to the fixing portion through the simplified structure.