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Impact of thermal behavior on energy demand in Tehran's residential apartments
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Abasalt Askari   , Shahin Heidari * |
| Department of Architecture, School of Architecture, College of Fine Arts, University of Tehran, Tehran, Iran. , shheidari@ut.ac.ir |
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Abstract: (1179 Views) |
Objective: The growing energy demand in the building sector, coupled with the intensifying effects of climate change, highlights the importance of considering the factors that influence energy consumption in buildings. Occupant behavior has been recognized as a critical factor that can either exacerbate or mitigate building energy demand. This study aims to examine the role of thermal behavior in shaping energy consumption patterns, with a particular focus on achieving thermal comfort and promoting adaptation to climate change.
Method: This study takes a quantitative approach, using a survey-based field study to investigate thermal comfort and prioritize occupant thermal behaviors. Data were collected using structured questionnaires targeting subjective comfort assessments and behavioral preferences. The collected data were analyzed using correlational analysis of the variables, complemented by descriptive analytical inference to extract meaningful patterns and relationships.
Results: According to the ASHRAE standard, 49% of respondents preferred the neutral temperature, while 90% reported being within the comfort range, which spanned from slightly cool to slightly warm. The neutral temperature identified in this study was 23.9 °C, and the acceptable thermal range for residents was determined to be between 19 °C and 28.8 °C. In terms of thermal preference, 59% of participants expressed no desire for change, while 27% preferred a warmer indoor environment and 14% a cooler one. Behavioral strategies such as using heating systems, wearing warmer clothing and moving to warmer areas were identified as the primary adaptive behaviors, highlighting the significant role of occupant behavior in influencing energy demand to achieve thermal comfort.
Conclusions: The observed extension of the comfort range beyond standard values indicates the substantial influence of occupant behavior on energy consumption patterns. Accordingly, engaging residents to adjust their behaviors can enhance resilience to future thermal conditions, improve thermal comfort and contribute to effective energy balance management in buildings by leveraging adaptation opportunities. Therefore, integrating behavioral considerations into building design and operational strategies is essential to mitigate energy demand and support sustainable adaptation to climate change. |
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| Keywords: Thermal comfort, Thermal behavior, Residential apartment, Energy demand, Climate change. |
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Full-Text [PDF 1473 kb]
(51 Downloads)
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Type of Study: Research |
Subject:
معماری
Received: 2025/07/25 | Accepted: 2025/09/24 | Published: 2025/12/21
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