Ventilation Duct Sizing & Airflow Calculation: Swiss SIA 382/1, EN 1507 Airtightness Classes & Minergie Standards
Operational guide for Swiss ventilation contractors, sheet metal fabricators, and HVAC engineers: ductwork network sizing under SIA 382/1, leakage testing under EN 1507 / EN 12237, Minergie standards, VKF fire dampers, and BKP 244.