Topical Sessions Ventilative cooling to reduce overheating in buildings in ventilation related standards and legislation in the context of well-being, sustainability and energy. Designing buildings ventilation to reduce the risk of airborne pathogens Building and ductwork airtightness regulations in Europe Durability of building airtightness - on-site and laboratory studies Smart ventilation strategies for residences - practical applications “Towards Smart Ventilation” in Mid-sized buildings New IEA EBC Annex 87 on Personalized Environmental Control Systems (PECS) Post-pandemic building ventilation: what have we learned and what is next? Resilient Cooling in a Changing Climate