The conference "IAQ 2020: Indoor Environmental Quality Performance Approaches Transitioning from IAQ to IEQ”, organized by ASHRAE and AIVC, was held in Athens, Greece on 4-6 May 2022. The conference was also the 41st AIVC - 9th TightVent & 7th venticool conference. This collection contains 110 conference papers and 16 extended abstracts.

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The most recent version of the U.S. Green Building Council’s LEED (v4.1) for Building Design & Construction provides three options for assessing the Daylight Credit.
Maryam Esmailian, Richard G Mistrick, Ute Poerschke, Lisa D Iulo
Investigation of Indoor Environmental Quality (IEQ) in various types of buildings is a rather intense research activity by recent years.
Giannis Papadopoulos, Giorgos Panaras, Evangelos I. Tolis
The purpose of this study is to clarify the respiratory characteristics and productivity with wearing a mask, and to propose the indoor control strategy to maintain the thermal comfort.
Motoki KONDO, Sihwan LEE
Air infiltration control is essential to guarantee thermal comfort, good performance of the ventilation systems, and more energy-efficient buildings.
Raquel Gil-Valverde, Diego Tamayo-Alonso, Andrés Royuela-del-Val, Irene Poza-Casado, Héctor Jimeno-Merino, Alberto Meiss
Green buildings incorporate several features to improve energy efficiency, indoor environmental conditions, and occupant satisfaction.
Yewande S. Abraham, Paul Stanitz, Rosaria E.C. Amaral
Hospitals’ indoor environmental quality (IEQ) impacts on patients’ comfort and well-being.
Sara Willems, Dirk Saelens, Ann Heylighen
The discomfort prediction inside buildings by means of correlations able to estimate people subjective response from indoor conditions has been widely investigated with the purpose of supporting design, commissioning and operati
Ilaria Pittana, Federica Morandi, Francesca Cappelletti, Andrea Gasparella, Athanasios Tzempelikos
When implementing or studying building controls and interfaces in the field, researchers often witness first-hand human-building interactions from operators and occupants.
Lucile Sarran, Connor Brackley, Julia K. Day, Karol Bandurski, Maíra André, Giorgia Spigliantini, Astrid Roetzel, Stephanie Gauthier, Helen Stopps, Philip Agee, Sarah Crosby, Carola Lingua
Under the influence of biological hazards including COVID-19, it is required sufficient ventilation to decrease the infection risk in the indoor area.
Akira Okamura, Sihwan Lee
The ALLO project aims to be innovative in the way it approaches information and its dissemination to residents who are concerned about air quality in their home or are not familiar with the subject.
Mikaël Brunet, Jérôme Nicolle, Marc Abadie
When designed and operated adequately, natural ventilation (NV) can improve the buildings’ energy efficiency and indoor environmental quality.
Evangelos Belias, Dusan Licina
Deep Energy renovation (DER) adopts a whole building approach and achieves much larger energy savings than shallow energy renovations that typically only included a small number (one or two) of upgrade measures.
Nina Wemken, Hilary Cowie, Brian McIntryre, Conor Hanniffy, Emmanuel Bourdin, Marie Coggins
Current building regulations are designed to ensure that buildings, including newly built and retrofitted residential dwellings, are more energy efficient.
James A. McGrath, James O’Donnell, Miriam A. Byrne
There has been substantial concern about the potential for radon levels to increase in homes undergoing energy retrofits, especially those including substantial air sealing.
Stacy Gloss, Jill Breysse, Zachary Merrin, Paul Francisco, Sherry Dixon, Jingwei Su, Jonathan Wilson, Yigang Sun
People spend approximately 90% of their time within indoor environments, and consequently, characterizing the chemistry of indoor air is valuable from a human health perspective.
Nicole K. Scharko, Serena H. Chung, Jordan Zambrana, Daniel Malashock, Vito Ilacqua
Radon is a naturally occurring gas that is hazardous to human health, making it desirable to minimize exposure. Radon can infiltrate buildings and accumulate to concerning levels, especially in those with tight exterior envelope
Zachary Merrin, Paul Francisco, Stacy Gloss
This paper reports preliminary analysis from a large field study of 100 university classrooms in Central Texas. Lecture classrooms and auditoriums were sampled for three consecutive weekdays in the 2019 – 2020 academic year.
Sangeetha Kumar, Annette Nguyen, Kate Gayler, Grace Madigan, Rachel Xing, Atila Novoselac
Ventilation and source control (e.g. using low volatile organic compound (VOC) emitting materials) are two recommended approaches to control indoor air pollution and VOC’s in particular.
Jordan Zambrana, Nicole Scharko, Serena Chung, Daniel Malashock, Vito Ilacqua
PCM (phase change materials) is an innovative technology and an effective method for improving the thermal mass of buildings owing to it possesses the property of large thermal capacity within a limited temperature range, which
Bi-Lian Chen, Wei-An Chen, Ruey-Lung Hwang
Responding to the hot humid climate, the Taiwan government expects to broadly install air-conditioning in classrooms to provide a comfort study environment for school buildings and prevent the risk of overheating; therefore, cor
Ai-Wen Huang, Wei-An Chen, Ruey-Lung Hwang, Kuo-Tsang Huang