<p>An air conditioner capable of supplying air into multiple rooms by a single air supplying unit. The air conditioner (1) has a first indoor unit (2a), a second indoor unit (2b), and a humidifying unit (4). The first indoor unit (2a) is mounted in a first room (1a). The second indoor unit (2b) is mounted in a second room (1b). The humidifying unit (4) has a first air sucking and discharging hose (6a), a second air sucking and discharging hose (6b), and a humidifying unit body (6). The first air sucking and discharging hose (6a) is connected to the first indoor unit (2a). The second air sucking and discharging hose (6b) is connected to the second indoor unit (2b). The humidifying unit body (6) can supply outdoor air to the first indoor unit (2a) via the first air sucking and discharging hose (6a). The humidifying unit body (6) can supply outdoor air to the second indoor unit (2b) via the second air sucking and discharging hose (6b).</p>
