b! kimax+ Twin Copper is a ceiling system with very high thermal, aesthetic and acoustic performance composed of radiant island panels with sound-absorbing properties to be installed on suspension structure with threaded bars M6 or steel rope. The active box ceiling Twin Copper, complete with copper coil Ø 12, is characterized by a double emitting surface (upper and lower). This makes it possible to improve the performance of the plant especially in the premises of the service sector that have high heights and considerable internal thermal loads.