AIR CONDITIONER

PROBLEM TO BE SOLVED: To provide an air conditioner capable of preventing performance degradation when an HA communication unit is not used if the HA communication unit is used as an optional component.SOLUTION: An air conditioner indoor unit includes: a front air-intake port; an indoor heat exchanger in which air absorbed from the air intake port flows; an air filter located upstream of the indoor heat exchanger; an air diffuser in which the air passing through the indoor heat exchanger flows; a front panel located on a front surface of the front air-intake port; and an adapter holding mechanism that is located between the front panel and the air filter, to which a wireless LAN connection adapter can be attached, the adapter holding mechanism including an air through hole. 【課題】本発明は、ＨＡ通信ユニットをオプション部品とする場合に、ＨＡ通信ユニットを使用しないときにおける性能の低下を防ぐ空気調和機を提供することを目的とする。【解決手段】前面空気吸込口と、前面空気吸込口から吸い込んだ空気が流れる室内熱交換器と、室内熱交換器の上流側に位置するエアフィルタと、室内熱交換器を通過した空気が流れる空気吹出口と、前面吸込口の前面に位置する前面パネルと、前面パネルとエアフィルタの間に位置し、無線ＬＡＮ接続アダプタを取り付けることができるアダプタ保持機構部とを備え、アダプタ保持機構部は空気通し穴を有する空気調和機の室内機。【選択図】図３