12 October 2021, Webinar – Smart materials for energy efficient IAQ management

In this webinar, we addressed the opportunities to use novel materials (from advanced functional nano-materials to bio-based building materials) as building components to actively/passively manage the IAQ, for example, through active paint, wallboards, and textiles coated with advanced sorbents or catalysts and quantify their potential, based on the assessment framework developed in the IEA EBC Annex 86 “Energy Efficient Indoor Air Quality Management in Residential Buildings”.

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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.

Presentations Slides from the AIVC 2025 Workshop Now Available

The AIVC is pleased to announce that the slides from the recent international workshop “Indoor Environmental Quality in Sustainable Buildings” are now available online.

The workshop took place on 1–2 April 2025 in Stuttgart, Germany, and brought together German and international researchers, engineers, and experts to exchange knowledge and share recent developments on indoor environmental quality (IEQ), ventilation, health, and sustainability in buildings.

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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.

Experimental and simulation analysis of different natural ventilation scenarios and their relation with IAQ in office buildings

Following the pandemic of Covid-19, the scientific interest in ventilation rate of buildings, and especially in spaces with high occupancy, has increased. The creation of a healthy and acceptable internal environment, especially at workplaces is considered necessary, both to deal with the sick building syndrome, or the spread of various diseases, as well as to improve the comfort of employees.

Performance 2 project - Analysis of the interactions between the Humidity-based DCV systems and IAQ in homes 15 years after their construction

The Performance 2 project (2020-2024) is a French national research project that aims to evaluate the long-term performance and durability of Humidity-based Demand Controlled Ventilation (DCV) systems installed in two multi-family social housing buildings, located in Paris and Villeurbanne, France.

Assessment of in-situ aging and maintenance impact on Relative Humidity-Controlled Mechanical Extract Ventilation (RH-MEV) Systems: A Case study in multi-family social housing buildings

This paper presents a comprehensive evaluation of Relative Humidity-Controlled Mechanical Extract Ventilation (RH-MEV) systems installed in multi-family social housing buildings, focusing on the assessment of in-situ aging and the impact of maintenance on the performance of the system. Building upon the Performance 2 project conducted from 2020 to 2024, which evaluated the durability and performance of RH-MEV systems over a 15-year period, this study delves deeper into the longevity and maintenance aspects of these systems.

Log-normal distribution for radon measurements in one room

Increasing attention is being paid to radon concentrations in the assessment of indoor climatic comfort. Radon is a naturally occurring radioactive element that, under unfavourable circumstances, accumulates in excess in a building. Elevated concentrations of it can adversely affect the health of building occupants, resulting in increased interest in this element.

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