TN 70: 40 years to build tight and ventilate right: From infiltration to smart ventilation

As the AIVC was created in 1979, the 40th anniversary of the AIVC was celebrated in October 2019 at the 40th AIVC conference in Ghent. In the context of this celebration, it was decided to publish 2 overview publications:

TN 71: Durability of building airtightness

Much progress has been made to improve the airtightness level of new buildings. Still, little is known about the durability of building airtightness, or the impact of degradation on airtightness. This report presents a comprehensive review of studies that deal with building airtightness durability. Regarding field measurement studies, the envelope airtightness seems to decrease during the first years after achievement and then stabilize. However, these variations are rarely explained. Key elements that may drive airtightness variations were identified.

Energy Efficiency and Indoor Climate in Buildings is out!

This monthly online newspaper contains relevant information on the Air Infiltration and Ventilation Centre (AIVC)

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TN 68: Residential Ventilation and Health

Exposures in homes constitute the major part of exposures to airborne pollutants experienced through the human lifetime. They can constitute from 60 to 95% of our total lifetime exposures, of which 30% occurs when we sleep.

AIVC newsletter issue #27 – March 2025

The March 2025 issue of the AIVC newsletter has just been released. Specific contents include:

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Webinar on Recent standards and guidelines on CO2 application and interpretation

We’re pleased to announce that the recordings of the AIVC webinar, “Recent Standards and Guidelines on CO₂ Application and Interpretation”, held on March 17, 2025, are now available on our website!

Featured Presentations:

Background on Indoor CO₂ Application – ASHRAE Position Document & ASTM Standard D6245
Andrew Persily (NIST, USA)

Demand-Controlled Ventilation – ISO 17772-1 (EN 16798-1) & ASHRAE Standard 62.1
Bjarne Olesen (DTU, Denmark)

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REHVA Journal’s February 2025 Edition Features Papers from the AIVC 2024 Conference!

The February 2025 edition of the REHVA Journal has been released, featuring the theme "IEQ at 44th AIVC conference, Model IEQ regulation to fulfil the EPBD 2024"!

The issue includes, among other articles, a selection of papers presented at the 44th AIVC conference - 12th TightVent - 10th venticool conference: "Retrofitting the Building Stock: Challenges and Opportunities for Indoor Environmental Quality" held in Dublin on October 9-10, 2024.

Featured articles include:

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Webinar on Energy Performance of Gas Phase Air Cleaning

We are happy to announce that the recordings of the AIVC webinar, “Energy Performance of Gas Phase Air Cleaning”, held on February 21, 2025 are now available on our website!

Featured Presenters:

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Upcoming webinar "Recent standards and guidelines on CO2 application and interpretation"

The Air Infiltration and Ventilation Centre (AIVC) invites you to register for our upcoming webinar, "Recent standards and guidelines on CO2 application and interpretation" on March 17th 2025, from 16:00 to 17:30 CET.

Participation is free, but prior registration is required.

To Register & View the agenda, please follow this link.

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