Image Text All FS23HS23FS24HS24FS25HS25FS26FS21HS21FS22HS22HS20FS20HS19FS19HS18FS18HS17 Zum Hof 3 November 2025 Case Study – Einfamilienhaus Ruffner-Ramming – 2001 8 December 2024