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The 44th AIVC Conference "Retrofitting the Building Stock: Challenges and Opportunities for Indoor Environmental Quality", was held in Dublin, Ireland on 9-10 October 2024. Contains 127 papers and/or summaries.

Volume content
Summertime Resilience in an L-Shaped Long-Term Care Facility with Mixed Natural Ventilation and Pressurized Corridors

Climate change has exacerbated the summertime overheating in buildings, necessitating resilient adaptation strategies. Based on our…

Chang Shu, Lili Ji, Justin Berquist, Liang Grace Zhou
Are Irish Low Energy School Designs Resilient Against Overheating?

The challenges posed by climate change and related thermal discomfort in school classrooms are a worldwide challenge. Recent research…

Elahe Tavakoli, Adam O’ Donovan, Paul D. O’Sullivan
Assessing the level of adaptation to heat waves in Parisian housing

The paper introduces an approach for assessing the resilience of buildings to both current heat waves and their recurrence in the future…

Letizia Roccamena, Jean-Marie Alessandrini, Pierrick Gervasi, Julien Guilhot, Georgios Kyriakodis, Simon Molesin, Maeva Sabre, Wenjuan Wei
Intervention study of climate correlation model predictions for occupant control of indoor environment

Occupants in natural ventilated buildings usually control ventilation through window opening. As part of the PRELUDE H2020 project a…

Maria Kolokotroni, May Zune, Thet Paing Tun, Ilia Christantoni, Dimitra Tsakanika, Dorota Stawowczyk, Tristan de Kerchove d’Exaerde
Evaluating the Long-term Performance of Air Barrier Systems in Modern Buildings

The durability of air barrier systems is a topic that is rarely discussed during the design phase of most projects. An unfortunate amount…

Sean O’Brien, David Artigas
Research on airtightness durability in Norway

Achieving adequate airtightness of a building envelope is crucial for preventing moisture-related damages in cold and humid climate zones…

Tore Kolstad Linløkken, Bozena Dorota Hrynyszyn
On the potential of HAMSTER’s bi-climatic chamber for testing building component airtightness durability

Durability of airtightness – and more generally of thermal performances – is an important question at both building and component levels…

Martin Prignon
Impact of dust build-up on building airtightness durability: preliminary results of the Durabilitair2 project

The DURABILITAIR project, conducted from 2016 to 2019, aimed to assess the durability of air sealing products used in building envelopes…

Andrés Litvak, Eddy Handschoewercker Sylvain Berthault, Romain Mathieu
Adaptive comfort technology for temperature control in balanced ventilation systems

Adaptive comfort technology is reflecting the fact that the human body adapts to changing temperatures. As such, the temperature level…

Bart Cremers
Optimization of airflow rate in a displacement-ventilated room to minimize particle inhalation risk and control energy consumption

Indoor inhalation exposure can be minimized through mechanical ventilation. On the other hand, building and mechanical ventilation design…

Alicia Murga, Haruki Nakagawa, Rahul Bale, Makoto Tsubokura
IEQ and energy performance of residential smart ventilation strategies in France

Smart-ventilation with airflows adapting to the need of buildings reduces energy consumptions and can improve IAQ. In some countries,…

Raíssa Andrade, Gaëlle Guyot
The protection from harm to populations of people provided by Exposure Limit Values

The protection from chronic harm provided by exposure limit values (ELVs) is evaluated for indoor air contaminants set by regulatory…

Benjamin Jones, Giobertti Morantes, Constanza Molina, Max Sherman, James A. McGrath
Health-Equivalent Energy Efficiency Factor, combined metric of harm and energy use

The inclusion of health-based performance indicators and metrics in ventilation system design and research is a widely discussed topic in…

Klaas De Jonge
Design of ventilative cooling systems using Ventilative cooling standards; design steps and corresponding flow diagram

Ensuring an indoor environmental quality that is acceptable to the majority of users, while also being energy efficient is a challenge.…

Beat Frei, Paul D O’Sullivan
Early Stage Design of VC: A standardised approach to improve robustness and avoid vulnerability lock-in at the later design stages

The global increase in building cooling demands poses a challenge for designers striving for net zero energy consumption. The prevalent…

Paul O’Sullivan
A comprehensive overview of ventilative cooling and its role in the standardisation

Ventilative cooling is a free cooling methodology, harnessing the cooling potential of the outdoor air to remove excess heat, without the…

Christoffer Plesner, Jannick K. Roth
Examining the Impact of Improving the Airtightness of the Building Envelopes on Differential Pressures and Contaminant Dispersion in Temporary Negative Pressure Isolation Rooms

This study utilized a CONTAM simulation to assess the effects of airtightness improvements in TNPI rooms. Sobol sensitivity analysis was…

Jooyeon Roh, Shinhye Lee, Wonseok Lee, Sejin Lee, Myoung-souk Yeo
Air Pressure Differences over the Building Envelope: Case Studies

Although the physics concerning air pressures in buildings don’t differ between countries, often different reference values of the…

Lara Deprez, Kevin Verniers, Ivan Pollet, Niek-Jan Bink, Jelle Laverge
Test facility for building envelope leakage type analysis and improvement of acoustic and thermographic airtightness measurement methods

Ensuring the airtightness of building envelopes is crucial for enhancing the energy efficiency of buildings. The prompt detection of…

Markus Diel, Björn Schiricke, Johannes Pernpeintner
Proposal for improving the linear regression method and uncertainty calculation in building airtightness tests

Improving the energy efficiency of buildings and the quality of indoor air requires accurate assessments of airtightness. The…

Benedikt Kölsch, Valérie Leprince
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