5 December 2024, Webinar – Personalized Environmental Control System (PECS) in Action: Insights from Case Studies

Personal Environmental Control System (PECS) with the functions of heating, cooling, ventilation, lighting and acoustic has advantages of controlling the localized environment at occupant’s workstation by their preference instead of conditioning an entire room. This improves personal comfort, health and energy efficiency of the entire heating, ventilation, and air-conditioning (HVAC) system substantially. Personalized ventilation will also provide improved protection against cross contaminations, which are critical in open plan offices and workplaces with close distance.

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9-10 October 2024, Conference, Dublin– 44th AIVC conference

The 44th AIVC conference "Retrofitting the Building Stock: Challenges and Opportunities for Indoor Environmental Quality" was held on 9 & 10 October 2024 in Dublin together with the 12th TightVent conference and the 10th venticool conference. There were 180 participants from 26 countries.

The conference consisted of parallel sessions largely devoted to:

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4-5 October 2023, Conference, Copenhagen– 43rd AIVC conference

The 43rd AIVC conference "Ventilation, IEQ and health in sustainable buildings" was held on 4 & 5 October 2023 in Copenhagen together with the 11th TightVent conference and the 9th venticool conference. There were 200 participants from 33 countries.

The conference consisted of 3 parallel sessions largely devoted to:

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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:

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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Retrofitting the Building Stock: Challenges and Opportunities for Indoor Environmental Quality (Book of Proceedings)

The Book of Proceedings of the 44th AIVC - 12th TightVent - 10th venticool  Conference "Retrofitting the Building Stock: Challenges and Opportunities for Indoor Environmental Quality", held in Dublin, Ireland on 9-10 October 2024.

Retrofitting the Building Stock: Challenges and Opportunities for Indoor Environmental Quality (Slides)

The Presentations the 44th AIVC - 12th TightVent - 10th venticool  Conference "Retrofitting the Building Stock: Challenges and Opportunities for Indoor Environmental Quality", held in Dublin, Ireland on 9-10 October 2024.

RENOVAIR: Study of the evolution of airtightness, ventilation, comfort and indoor air quality in 7 energy renovation operations of social housing in France

This article follows a first publication presented at the AIVC2022 conference (Handtschoewercker, 2022), with the preliminary results of the RENOVAIR project, that studies the impact of energy renovation works on social housing on the comfort and health of occupants when no requirements are given on IAQ, ventilation and airtightness performances. 

Indoor air quality post deep energy retrofit in social homes in Ireland (HAVEN)

Improving the energy performance of a building has been shown to improve health outcomes in fuel poor homes (Wang et al., 2022).  However, increasing building air tightness through provision of increased insulation, without due regard to building ventilation, can result in poorer air quality and impaired health for residents, in particular impaired respiratory health (Wimalasena et al., 2021; McGill et al., 2015; Ferguson et al., 2020).

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