When integrating diffuse ventilation with gypsum acoustic ceiling from Knauf DANOLINE, you get (among others) these benefits 👉 📍 Very high air exchange through external perforation holes maximizes comfort ✔ 📍 Save installation costs of up to 3,000 euros per classroom ✔ 📍 20% energy cost cutting for the ventilation 📍 Top acoustical performance ✔ 📍 Great aesthetic design with coherent expression ✔ 📍 Smaller ventilation systems with lesser pipes ✔