Contents:

• Foreword
• 15 -16 October 2019 – 40^th AIVC & 8^th TightVent conference in Ghent, Belgium
• Feedback from the 39^th AIVC & 7^th TightVent conference: Summary of the airtightness track
• First results of a new database on airtightness in Spain
• Impact of envelope leakages distribution on Demand Control Ventilation performance
• Product news from our partners