(EN) The invention relates to a revolting door (10) for installation in a building, comprising a cylindrical shell wall (16), within the shell wall (16) door leaves (12) rotating about a central shaft (13) and between a bottom plate and a top plate, and entrance and exit openings (15) provided in the shell wall (16), at least one of which having an air-outflow unit (20) disposed at a vertical edge of the shell wall 816), having an outlet slot for the generation of a vertically oriented and between the bottom plate and the top plate oriented air curtain substantially filling the headroom of the door (10), wherein the outlet slot is directed substantially radially towards the interior of the revolving door (10), and wherein during use the door leaves (12) provide an antidraught seal, with the air-outflow unit (20) being placed inside the building.
