A curtain wall having a frame construction with a plurality of glass elements and optionally panels arranged at a distance from each other in a heat flow direction, wherein a multifunctional glass element is arranged on a room side behind a main heat-insulating plane of the curtain wall, wherein the position of the multifunctional glass element can be modified in a vertical direction and/or a horizontal direction and the multifunctional glass element has at least two of the functions selected from the following list: (A) anti-glare protection in a form of modifiable or switchable layers, (B) heating capacity at least in section, (C) a configuration with integrated LEDs as room lighting, (D) a configuration as an information system, particularly as a screen, at least in sections, (E) a configuration with at least one integrated camera, and (F) a configuration with at least one integrated loudspeaker.