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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
Leakage in Large-Building Duct Systems: Modelling the Savings for Various Applications

Decisions about whether it is worthwhile to seal duct leakage in large buildings are based upon different needs in different applications…

Mark Modera, Mahmood Farzaneh Gord
Investigating the Impacts of New Energy Renovation Strategies on Indoor Environmental Quality

There is a pressing need for large-scale energy retrofits in domestic dwellings to reduce carbon emissions. However, these retrofit strategies must be…

Buddila Wijeyesekera, Miriam Byrne, James O’Donnell, Reihaneh Aghamolaei, James A. McGrath
Perceptions of thermal comfort following deep energy retrofit in social homes in Ireland (HAVEN)

Research suggests that energy retrofit measures can have a positive impact on temperature, relative humidity, and can reduce the…

Victoria Hogan, Daniel Norton, Asit Kumar Mishra, Nina Wemken, HilaryCowie, Marie Coggins
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…

Andrés Litvak, Eddy Handtschoewercker
Data Analysis of Indoor Air Quality and Thermal Comfort in Dwellings in Santiago, Chile

Achieving better energy efficiency requires dwellings to face a delicate equilibrium, balancing thermal comfort and indoor air quality.…

Constanza Molina, Benjamin Jones, Ignacio Garrido, Giobertti Morantes
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). …

Marie Coggins, Daniel Norton, Asit Kumar Mishra, Victoria Hogan, Nina Wemken, Hala Hassan, Medeina Macenaite
A Pre-Post Retrofit Evaluation on Indoor Air Quality and Comfort in Classrooms and Offices: Pre-Retrofit Findings

The BENEFIT project evaluates the indoor environmental quality in non-domestic buildings where energy efficiency upgrades will be…

Adam Collison, Miriam Byrne, James A. McGrath
Personalized environmental control systems (PECS): Overview of evaluation methods

Nowadays, the building sector faces many challenges on occupant and resource levels. Given many indoor environmental quality (IEQ)…

Douaa Al Assaad, Ilaria Pigliautile
Policy Strategies and Market Perspective of Personalized Environmental Control Systems

This session will begin with providing an overview of presence Personal Environmental Control Systems (PECS) related mention in various…

Rajan Rawal, Bjarne Olesen, Ongun Berk Kazanci, Arsen Krikor Melikov
Personalized environmental control systems (PECS): Overview of applications, technology classification and KPIs

Personal Environmental Control Systems (PECS) enable to individually control the environment in the immediate surroundings of an occupant…

Kai Rewitz, Joyce Kim, Fatemeh Nabilou, Kehinde Bayode, and Dirk Müller
Effect of Personalized Environmental Control Systems on Occupants’ Health, Comfort and Productivity

This summary highlights the benefits of PECS for occupants’ health, comfort, and cognitive performance. A comprehensive literature review…

Mariya Bivolarova, Dolaana Khovalyg, Bjarne W. Olesen
Breathing Better: Evaluating the Impact of Personalized Ventilation in Daycare Baby Beds

Daycare centers (DCCs) are pivotal in early childhood development, serving as a primary indoor environment for young children. A notable…

Hailin Zheng, Marcel Loomans, Shalika Walker, Zhijian Wang, Wim Zeiler
Balanced ventilation - energy efficient and healthy

When making homes more sustainable, the emphasis is on scaling up to achieve the climate and energy objectives. Little attention is paid…

Piet Jacobs, Wim Kornaat, Wouter Borsboom
Performance evaluation of humidity controlled decentralized ventilation systems in social housing in Chile

More than 70% of the dwellings in Chile were built before 2000, when the use of thermal insulation in the roofs of residential buildings…

Gilles Flamant, Waldo Bustamante, Arnold Janssens, Jelle Laverge
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…

Adeline Mélois, Ambre Marchand Moury, Juan Rios, Marc Legrée, Jérémy Depoorter, Sylvain Rebières, Gaëlle Guyot
Evaluating the IAQ and energy performance of two types of ventilation systems in multifamily buildings

This study evaluates the performance of Single-Flow and Dual-Flow ventilation systems in a residential building situated in Strasbourg,…

Zohreh Kiani, Ali Alexander Nour Eddine, Kévin Taurines, Kátia Cordeiro Mendonça, Marc Abadie
Numerical performance evaluation of ventilation systems for energy-efficient retrofitting of existing houses in France

More and more single-family houses are being retrofitted to achieve better energy efficiency levels. In this retrofitting process, the…

Louison Boulier, Daniela Mortari, Bassam Moujalled, Nolwenn Hurel, Gaëlle Guyot, Franck Alessi, Ophélie Ouvrier Bonnaz, Mélina Echivard, Sylvain Berthault
Passive sumps as a method of reducing radon levels in Irish dwellings

Radon gas is the second biggest cause of lung cancer after smoking and is directly linked to approximately 350 lung cancer cases in…

Alison Dowdall
Field study measurements evaluating radon concentrations under different ventilation scenarios

Increasing indoor ventilation has the potential to dilute indoor radon and may be an appropriate first step when measured indoor radon…

Janet Gaskin, Yunyi Ethan Li, Marcel Brascoupé, Liang Grace Zhou
Challenges and opportunities arising from different ventilation approaches: controlled experiments conducted at the Canadian Centre for Housing Technology

The ingress of naturally occurring radioactive radon gas from the soil into buildings can occur both by convection through any openings…

Liang Grace Zhou, Yunyi Ethan Li, Janet Gaskin, Patrique Tardif
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