A combination appliance (1) comprising a cooking hob (2), which comprises at least one support surface (4) and at least one therein formed recess (11), and at least one extraction device (3), which is arranged below the support surface (4) of the cooking hob (2) and comprises at least one fan (15) for sucking air from the space above the cooking hob (2) through the recess (11) of the support surface (4), and at least one lid (20) for the recess (11) , wherein:at least one control module (28), comprising at least one extraction control (18) that controls at least one operation parameter of the extraction device (3) ,at least one hob control (6) that controls at least one operation parameter of the cooking hob (2), and at least one interface unit (29) that is at least connected to the extraction control (18) and to the hob control (6), and wherein the interface unit (29) is capable of sending signals to the extraction control (18),wherein the extraction control (18) is controlling the extraction device (3) in response to the signals received from the interface unit (29).