Abstract: A relaxation space, particularly a smoking room, of the type including elements for renewing the air which elements are provided with supply elements (8) and with suction elements (20), the renewing elements including holes distributed over the entire floor (13) and ceiling (9) of this space, characterized in that the holes at least in the floor (13) include at least two parts, namely a downstream part opening into the relaxation space and an upstream part larger in cross section than the downstream part, opening onto the other side of the floor (13).