The invention relates to an arrangement for providing air to a room is provided. The arrangement comprises a first inlet for taking in air from the room, a first outlet for providing air to the room, a second inlet for taking in air from a space other than the room, the second inlet being connected to the first outlet and a second outlet for exhausting air to the space other than the room; the second outlet being connected to the first inlet. The arrangement further comprises a cooling duct connecting the first inlet and the first outlet, the cooling duct having a cooling module disposed therein for cooling air in the duct and a first flow control module for controlling a first airflow ratio between an exhaust airflow flowing from the first inlet to the second outlet and a cooling airflow from the first inlet to the first outlet.