Interactions Between Indoor Environmental Quality, Occupant Behaviour, and Building Performance Under a Changing Climate

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Air Quality".

Deadline for manuscript submissions: 31 January 2026 | Viewed by 586

Special Issue Editors


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Guest Editor
School of Architecture, Oxford Brookes University, Oxford OX3 0BP, UK
Interests: sustainable built environment; low carbon building; smart building; building performance; energy efficiency; thermal comfort; indoor air quality; building simulation
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Guest Editor
Department of Architectural Engineering, College of Engineering, United Arab Emirates University (UAEU), Al Ain 15551, United Arab Emirates
Interests: sustainable design; healthy buildings; indoor environmental quality; sustainable development; building simulation
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Institute of Building Structure, Faculty of Civil Engineering, Brno University of Technology, 602 00 Brno, Czech Republic
Interests: indoor climate; building physics; daylighting; indoor environmental quality
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Special Issue Information

Dear Colleagues,

This Special Issue is a follow-up to the first Special Issue, entitled “Future-Proofing Buildings for Enhanced Indoor Air Quality and Thermal Comfort: An Opportunity for Resilient Tomorrow” (https://www.mdpi.com/journal/atmosphere/special_issues/M0HL7MNE15), published in Atmosphere in 2025.

Indoor environments play a key role in supporting occupants’ thermal comfort, health, satisfaction, and productivity. While reducing energy use and environmental impact remains a priority in the building sector, ensuring a comfortable and healthy indoor environment presents ongoing challenges. These challenges are increasingly intensified by changing patterns in building use, emerging energy technologies, evolving occupant preferences, and the impacts of climate change, highlighting the need for integrated approaches to building design, operation, and evaluation.

Although technological advancements and improved environmental monitoring have significantly enhanced our understanding of the complex and interconnected dynamics of indoor environmental quality (IEQ), occupant behaviour, and building performance, these elements form a highly interdependent system that still requires further investigation. This Special Issue invites original research and methodological contributions that examine how these interrelated factors interact in the context of a changing climate. Our aim is to inform building design, operation, and policy to support energy-efficient indoor environments that promote occupant health, comfort, and resilience. Interdisciplinary studies integrating environmental monitoring, occupant feedback, and/or building simulation are particularly encouraged.

Topics of interest include, but are not limited to, the following:

  • Interdisciplinary research on IEQ in the context of climate change, bridging technical, behavioural, and social sciences;
  • Interactions between outdoor air quality, indoor environment, occupant behaviour, and building energy use;
  • Indoor air quality (IAQ), thermal comfort, and occupant health in resilient buildings;
  • Impact of occupant behaviour on energy performance and indoor environmental conditions;
  • Adaptive comfort models and natural/mechanical ventilation strategies for climate-responsive design;
  • Behavioural adaptations that support energy savings and occupant wellbeing;
  • The integration of environmental monitoring data, energy simulation, and occupant feedback to assess and improve building performance;
  • Smart control systems and demand response strategies to optimise comfort and energy efficiency;
  • Policy and regulatory implications for occupant-centred building design and operation;
  • Multi-dimensional assessments of IEQ, combining thermal comfort, air quality, acoustic, and lighting parameters.

Dr. Sahar Zahiri
Prof. Dr. Hasim Altan
Prof. Dr. Jitka Mohelnikova
Guest Editors

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Keywords

  • indoor air quality
  • occupant behaviour
  • occupant health and wellbeing
  • thermal comfort
  • thermal resilience and adaptation
  • overheating
  • natural ventilation
  • building performance
  • energy efficiency
  • net-zero carbon building

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Published Papers (1 paper)

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Research

24 pages, 2911 KB  
Article
Quantifying the Relationship Between Mean Radiant Temperature and Indoor Air Temperature Across Building Orientations in Hot and Dry Steppe Climates
by Salar Salah Muhy Al-Din, Nazgol Hafizi and Hasim Altan
Atmosphere 2025, 16(10), 1132; https://doi.org/10.3390/atmos16101132 - 26 Sep 2025
Abstract
This study aims to create environmentally comfortable building designs in hot and dry steppe climates using more effective approaches. The purpose of this study is to assess the relationship between mean radiant temperature (MRT) and indoor air temperature (Tia), taking into account the [...] Read more.
This study aims to create environmentally comfortable building designs in hot and dry steppe climates using more effective approaches. The purpose of this study is to assess the relationship between mean radiant temperature (MRT) and indoor air temperature (Tia), taking into account the orientation of buildings, for better building thermal performance. For this purpose, residential buildings with different orientations were selected in the study region ‘Garmian—northern Iraq’, and their thermal performance was evaluated. The results show how MRT contributes to the buildings’ thermal comfort. The outcomes of this research provide innovative empirical quantification of the correlation of MRT-Tia, as the regression coefficient (β) represents the rate of change in Tia per unit increase in MRT and ranges by orientation in the study area. The findings demonstrate that north-facing buildings buffer radiant heat gain (β~0.52), resulting in a 0.5 °C increase in indoor air temperature for each 1 °C rise in MRT. Moreover, west orientation delivers promising winter passive heating (MRT up to 22 °C and indoor air temperature up to 22.8 °C with a β of ~0.82). However, south-facing buildings perform poorly in the winter, with low MRT and a weak β (~0.44), contrasting with passive solar design strategies that favor south-facing buildings in the northern hemisphere. Furthermore, in the summer, the MRT is always higher than Tia, while it is lower in winter, indicating poor envelope and fenestration thermal insulation properties, which lead to excessive energy usage to maintain thermal comfort. Finally, the study suggests the novel quantified MRT-Tia mathematical correlation responds to the orientations for such climates, offering both diagnostic and predictive tools for thermal comfort performance optimization. This study is the first to empirically quantify orientation-specific MRT–Tia relationships in BSh climates, offering a novel diagnostic tool for sustainable building design. This study involved field observations in 36 residential row houses across four orientations. Key environmental and personal variables measured included mean radiant temperature (MRT), indoor air temperature (Tia), air velocity, relative humidity, metabolic rate, and clothing insulation. Full article
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