Patent ID: 8205470

Claim:
An indoor unit for an air conditioner, the indoor unit comprising: an indoor fan for sucking air in an axial direction thereof and radially blowing out the air; a heat exchange part, connected in a refrigerant circuit and disposed to surround the indoor fan, for exchanging heat between the air blown out of the indoor fan and refrigerant in the refrigerant circuit; and a casing containing the indoor fan and the heat exchange part and having an air supply part formed therein to supply air to a room in different directions, wherein the refrigerant circuit is operable in a refrigeration cycle in which the high-side pressure is equal to or above the critical pressure of the refrigerant, the indoor unit is capable of performing a heating operation in which the heat exchange part serves as a gas cooler in the refrigerant circuit, the heat exchange part includes a plurality of heat exchangers separated from each other along a direction of the perimeter of the heat exchange part and connected in parallel with each other in the refrigerant circuit, and the heat exchange part includes four heat exchangers each formed in the shape of a panel.