Contents:

• Foreword
• Airtightness track of the 2012 AIVC-TightVent conference
• New Publications
• TightVent’s airtightness testers associations committee
• TightVent welcomes Aeroseal
• Airtightness and ventilation of modern Estonian apartments
• Workshop on “Securing the quality of ventilation systems in residential buildings: status and perspectives”
• Airtightness workshop in Washington DC
• BUILDAIR symposium, Hannover, Germany
• AIVC conference 2013 in Athens, Greece