“…This research evaluated 28 buildings distributed among Twin-Skin (DSF) [9] and EVA (single skin façade -SSF) [28] projects. Those buildings, assessed in this field survey are located in several cities in Germany: Berlin (8), Braunschweig (5), Hamburg (3), Hannover (4), Bonn (1), Gelsenkirchen (1), Helmstedt (1), Leverkusen (1), Magdeburg (1), Mannheim (1), Osnabru ¨ck (1) and Wolfsburg (1) [15]. The DSF buildings here evaluated are divided into five façade types [29]: box window type, box double skin façade, multi-storey façade and corridor façade.…”