Abstract: There is provided an indoor unit of an air conditioner, in which a front part of the indoor unit can be easily assembled and disassembled. The indoor unit includes: a main chassis forming a rear appearance; a front frame disposed at a front of the main chassis to form a front appearance; a heat exchanger disposed between the main chassis and the front frame; a fan for generating airflow through the heat exchanger; a suction grill detachably mounted at a front of the front frame; and a filter disposed at a front of the front frame, for filtering foreign particles from air, wherein the suction grill is fixed to the front frame by an elastic deformation.

Abstract: An indoor unit of an air conditioner is provided. The indoor unit includes a main chassis, a front frame, a heat exchanger and a fan, a front panel, a filter, and a filter frame. The main chassis constitutes a rear appearance. The front frame is formed on the front of the main chassis to constitute a front appearance. The heat exchanger and the fan are disposed in the inside of the main chassis. The front panel shields the front side of the front frame. The filter is formed at the back of the front panel to filter foreign substance. The filter frame is integrally formed with the front frame to fix the filter.