This webinar follows up on contributions presented at the Buildair 2025 Symposium in Hannover and brings these insights to a wider international audience. Airtightness of the building envelope is essential for energy efficiency, thermal comfort, moisture safety and indoor air quality. Although … Continue reading →
We are happy to share that the video recordings and presentation slides from our recent webinar, “From Inspections to IAQ Measurement: Exploring Databases for Better Indoor Environments”, held on November 25, 2025, are now available. Presentation Highlights: Antoine Mischler (dooApp, … Continue reading →
The 29th issue of the TightVent newsletter is now available! Specific contents include: Foreword 30 September – 1 October 2026, AIVC – TightVent – venticool joint Conference, Incheon, Republic of Korea – Call for Abstracts & Topical Sessions! Building Airtightness Durability: … Continue reading →
Driven by the goal of nearly zero energy buildings (nZEB) and regulations since the early 2000s, building airtightness has become a mandatory requirement for energy performance. However, the effectiveness of these requirements hinges on the durability of airtightness over the … Continue reading →
The TightVent Airtightness Association Committee (TAAC) held four meetings over the past year, all organised as virtual sessions, as only a few TAAC participants attended the AIVC–ASHRAE IEQ joint conference in Montreal this year. As in previous years, the September … Continue reading →
This webinar will introduce three national initiatives that collect and share data to support healthier indoor environments.The French National Ventilation Observatory provides inspection results and indicators on ventilation systems, based on data collected since October 2023. It helps to monitor … Continue reading →
We’re pleased to announce that the recordings and presentation slides from our recent webinar, “Comparing Ventilation Trends in Southern Europe” (held on October 10, 2025), are now available on our website. Featured Presentations: Italy – Trends in Building Ventilation Requirements and … Continue reading →
The IEQ 2025 conference, co-organised by ASHRAE and AIVC in Montreal, Canada, on 24-26 September, was also the 45th AIVC, 13th Tightvent and 11th venticool conference. The conference gathered experts worldwide to exchange the latest research, advances and practices on … Continue reading →
Recent years have seen important evolutions in building ventilation regulations, inspection practices, and market developments across Europe, with significant differences between countries. While Spain has progressively moved towards performance-based IAQ regulations and the adoption of smart ventilation systems, France is … Continue reading →
We are pleased to announce that a dedicated workshop on building airtightness will take place during the upcoming 45th AIVC – ASHRAE IEQ – 13th TightVent – 11th venticool Conference, scheduled for 24–26 September 2025 in Montreal, Canada. The workshop is entitled: “Durability of the … Continue reading →
