Refurbishment of the large glass roof of the IATA (International Air Transport Association) building at Geneva airport. Realised in 2016 by Felimétal, the locksmith and metal construction department of Félix constructions sa. This consequent achievement is characterized by an innovative use of triple glass units with electrochromic technology, which have the power of tinting at will, from the darkest state which limits heat and glare, in the lightest state which maximizes natural light and solar power. (Arch: D. Grenier, Ing. BIFF SA, photo A. Barakat).