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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Due to the negative effects of Particulate Matter exposure, more and more inexpensive optical aerosol spectrometers and photometers (low-cost PM sensors) are coming to the market, which are often used to monitor air quality.
Jan Drzymalla, Yannic Lay, Marc Sauermann, Andreas Henne
Unintended Infiltration in buildings is responsible for a significant portion of the global housing stock energy demand.
Benedikt Kölsch, Iain S. Walker, William W. Delp, Björn Schiricke, Bernhard Hoffschmidt
Building simulations are used to investigate building performance and design the building systems optimally.
Josué Borrajo Bastero, Jelle Laverge, Marc Delghust, Elisa Van Kenhove, Matthias Van Hove
Indoor environment quality has been researched extensively, with many countries adopting regulations to ensure that building occupants enjoy healthy working environments.
Djapermal Bernard Anders, Venkannah Santaram
Unintended airflow through building envelopes leads to an increased demand in heating and cooling energy.
Benedikt Kölsch, Björn Schiricke, Eckhard Lüpfert, Bernhard Hoffschmidt
The occupants’ satisfaction with the indoor environmental quality (IEQ) of a building is a key factor to determine if the indoor climate can be considered as acceptable.
Quinten Carton, Jakub Kolarik, Hilde Breesch
This paper describes the ongoing development of a new tracer gas test (TGT) for total air change rates measurement.
Sarah L. Paralovo, Marianne Stranger, Maarten Spruyt, Borislav Lazarov, Joris Lauwers, Rudi Swinnen, Jelle Laverge
Recently, understanding thermal comfort management enabled the scientific community to broaden its research towards smart device set-ups, in order to further reduce energy consumption and thermal comfort satisfaction.
Leonidas Zouloumis, Giorgos Panaras
Cooling in high ambient temperature (HAT) countries is a major energy consumer. In Kuwait, 70% of the electricity generated is consumed on cooling residential and commercial buildings.
Walid Chakroun, Sorour Alotaibi, Kamel Ghali, Nesreen Ghaddar
In future building regulations, building performance is going to be extended to global performance, including indoor air quality (IAQ).
Baptiste Poirier, Gaëlle Guyot, Monika Woloszyn
Most existing office buildings are equipped with indoor environmental quality (IEQ) sensors that are connected to the Building Management System (BMS) and provide feedback to the heating, ventilation and air-conditioning (HVAC).
Donya Sheikh Khan, Jakub Kolarik, Christian A. Hviid, Peter Weitzmann
Improving actual operation performance of room air conditioners (RAC) shows great importance in the indoor environment and building energy conversation.
Zixu Yang, Baolong Wang, Wenxing Shi, Xianting Li
Heating, ventilating, and air conditioning (HVAC) systems attempt to achieve a uniform indoor environment.
Rina Hirai, Shohei Miyata, Yasunori Akashi
Maintaining thermal comfort in buildings has become a big challenge in developing countries.
Salem A. Algarni
For an ideal building airtightness test, the pressure difference between inside and outside would be constant over time and uniform along the entire building envelope, so that each leakage is equally considered and that the test
Nolwenn Hurel, Valérie Leprince
Indoor air quality (IAQ) control in educative centres, where students spend most of their time, is essential.
Héctor Jimeno-Merino, Irene Poza-Casado, Raquel Gil-Valverde, Diego Tamayo-Alonso, Andrés Royuela-del-Val, Alberto Meiss, M. A. Padilla-Marcos, Jesús Feijó-Muñoz
How accurately can reduced-order dynamic building energy simulation models (with Dymola simulation software) simulate the indoor climate (i.e., indoor air temperature, relative humidity and CO2-concentration) in common inhabited
Matthias Van Hove, Elisa Van Kenhove, Marc Delghust, Josué Borrajo Bastero, Jelle Laverge
In this paper various direct reading instruments and techniques used in air monitoring are reviewed. Principles of operation are described, pointing out advantages and disadvantages of using such instruments.
Georgi Popov, Tsvetan Popov
This study aims to use the WELL Building Standard (v2), an internationally recognised rating system for health & wellbeing in buildings, to perform a qualitative and quantitative analysis of the effect of wellbeing measures
Jiannan Luo, Ines Idzikowski, Anis Abou Zaki
Indoor environmental quality in educational buildings is recognized as a crucial aspect for the achievement of the learning outcomes for students.
S. Dugaria, G. Pernigotto, A. Gasparella