We are pleased to announce the release of a 2-page summary of the 2025 AIVC-Fraunhofer IBP Workshop, held in Stuttgart, Germany on April 1–2, 2025.

The workshop brought together researchers, engineers and international experts to share insights on a range of critical topics, including:

The 28^th issue of the TightVent newsletter is now available!

Specific contents include:

Join us in Madrid for the AIVC 2026 International Workshop on “Climate Change, Ventilation and Resilience”.

• Dates: April 21–22, 2026
• Location: Madrid, Spain

This international event is organised by the Air Infiltration and Ventilation Centre (AIVC) in collaboration with the Eduardo Torroja Institute for Construction Science (CSIC), and facilitated by INIVE (International Network for Information on Ventilation and Energy Performance).

The AIVC is happy to announce the release of a new addition to the AIVC Ventilation Information Paper (VIP) series dealing with trends in building ventilation requirements and inspection in various countries. 

Ventilation Information Paper #48.4: Trends in building ventilation requirements and inspection in Italy is now available to download.

Previously released papers include:

In light of recent developments, AIVC has officially transitioned from Twitter to Bluesky.

Going forward, all updates—including news, publications, and event announcements—will be shared exclusively on our Bluesky account.

Follow us there to stay informed and connected!

We’re pleased to announce that the recordings and presentation slides from the AIVC-TightVent webinar, “Building and Ductwork Airtightness Trends and Regulations in Estonia, Germany, and the U.S.” (held on May 12, 2025), are now available on our website.

Featured Presentations:

• Introduction to the AIVC VIP Series on airtightness regulations
  Nolwenn Hurel (Cerema, France)

• Estonia: National trends and requirements
  Jaanus Hallik (Tallinn University of Technology)