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Homeowners’ priorities in residential building renovation: The role of demographic and socioeconomic factors 户主在住宅改造中的优先级:人口和社会经济因素的作用
IF 7.6 1区 工程技术
Building and Environment Pub Date : 2025-09-30 DOI: 10.1016/j.buildenv.2025.113791
Wanlin Chen, Joseph H.K. Lai
{"title":"Homeowners’ priorities in residential building renovation: The role of demographic and socioeconomic factors","authors":"Wanlin Chen,&nbsp;Joseph H.K. Lai","doi":"10.1016/j.buildenv.2025.113791","DOIUrl":"10.1016/j.buildenv.2025.113791","url":null,"abstract":"<div><div>Understanding the preferences of homeowners from diverse demographic and socioeconomic backgrounds is critical to decision-making in residential building renovations. However, this area has received limited attention in prior research. To address this gap, this study employed a multi-stage methodology. First, a systematic literature review combined with expert interviews identified 33 housing renovation performance indicators potentially concerned by homeowners. Then, a questionnaire survey was undertaken to collect data on homeowners’ demographic and socioeconomic characteristics and their perceived importance of the indicators. The collected data were analyzed using mean ranking analysis, intraclass correlation coefficient and the Kruskal-Wallis test followed by post-hoc Dunn’s test. The findings reveal that, overall, the mean importance ratings of the performance indicators are consistent across different demographic and socioeconomic subgroups, and “building lifespan” was rated by most groups as the most important indicator. Nevertheless, significant variations in the perceived importance of several indicators existed among different subgroups: men prioritize prestige and status more than women; the elderly place greater importance on both indoor natural daylighting and public lighting; homeowners with secondary education levels show stronger preferences for acoustic comfort than less-educated counterparts; lower-income residents value green and social spaces more; small families are more concerned with residential density; and homeowners with shorter residence care more about fire safety. The underlying reasons for these variations were further examined through in-depth interviews, and practical implications for renovation strategies were identified. The study concludes by beaconing future research directions to further improve decision-making for ageing residential building renovation.</div></div>","PeriodicalId":9273,"journal":{"name":"Building and Environment","volume":"287 ","pages":"Article 113791"},"PeriodicalIF":7.6,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145219213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A systematic literature review on occupant behaviour modelling for residential building performance simulation in future climate change scenarios 对未来气候变化情景下住宅建筑性能模拟的居住者行为模型进行了系统的文献综述
IF 7.6 1区 工程技术
Building and Environment Pub Date : 2025-09-30 DOI: 10.1016/j.buildenv.2025.113796
Danillo Viana Andrade Reis , Marcel G.L.C. Loomans , Magdalena Hajdukiewicz
{"title":"A systematic literature review on occupant behaviour modelling for residential building performance simulation in future climate change scenarios","authors":"Danillo Viana Andrade Reis ,&nbsp;Marcel G.L.C. Loomans ,&nbsp;Magdalena Hajdukiewicz","doi":"10.1016/j.buildenv.2025.113796","DOIUrl":"10.1016/j.buildenv.2025.113796","url":null,"abstract":"<div><div>This systematic review explores the new topic of occupant behaviour (OB) modelling for building performance analysis of residential buildings in future climate change scenarios. The research provides an overview of how occupants are typically simulated in studies related to multi-domain building performance, with focus on three performance domains: thermal, energy and air quality. Furthermore, it explores different approaches to modelling occupants’ characteristics, presence and adaptive behaviour traits. It discusses aspects of diversity, stochasticity and uncertainty regarding occupants’ actions. Finally, it describes a social practice method that might be utilised in residential building simulation, by creating scenarios of household dynamics for future changing society. The results of this literature review indicate that the current approach to OB modelling for multi-domain building performance is mostly oversimplified. Current OB models typically include a single occupancy scenario and do not account for behavioural changes other than thermal adaptation. However, a new generation of OB models present alternatives to account for the diversity, stochasticity, and uncertainty of occupant behaviour. These create multiple occupancy scenarios with data from national surveys, develop stochastic OB models from previous field studies and employ uncertainty/sensitivity analysis into deterministic models. The review found that the application of social practices might allow the development of future scenarios of living to be integrated into future studies of residential building simulation. This review recommends that future research develops occupant behaviour models through the exploration of datasets, creates diverse scenarios of OB modelling and accounts for changes in occupancy dynamics in future scenarios.</div></div>","PeriodicalId":9273,"journal":{"name":"Building and Environment","volume":"287 ","pages":"Article 113796"},"PeriodicalIF":7.6,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145263852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Measuring what matters: A benchmarking system for occupant satisfaction with workspace environments 衡量什么是重要的:一个衡量居住者对工作环境满意度的基准系统
IF 7.6 1区 工程技术
Building and Environment Pub Date : 2025-09-29 DOI: 10.1016/j.buildenv.2025.113783
Jing Xiong , Toby Cheung , Yuta Fukawa , Nadine Noelle , Thomas Parkinson , Jungsoo Kim , Shin-ichi Tanabe , Richard de Dear , Stefano Schiavon
{"title":"Measuring what matters: A benchmarking system for occupant satisfaction with workspace environments","authors":"Jing Xiong ,&nbsp;Toby Cheung ,&nbsp;Yuta Fukawa ,&nbsp;Nadine Noelle ,&nbsp;Thomas Parkinson ,&nbsp;Jungsoo Kim ,&nbsp;Shin-ichi Tanabe ,&nbsp;Richard de Dear ,&nbsp;Stefano Schiavon","doi":"10.1016/j.buildenv.2025.113783","DOIUrl":"10.1016/j.buildenv.2025.113783","url":null,"abstract":"<div><div>Occupant satisfaction with the physical environment of the workplace is a key metric of office building performance. To date, no clear consensus exists on how to fairly compare satisfaction levels between buildings or benchmark workspace designs. This study analyses 93,153 Post-Occupancy Evaluation (POE) survey responses from the United States, Australia, Japan, and Singapore to identify systematic differences between countries and establish empirical benchmarks across key aspects of office workspaces. Results show that Singaporean offices achieve the highest overall workspace satisfaction (79%), followed by the United States (68%), Australia (65%) and Japan (39%). The United States and Australian databases display broadly comparable patterns across workspace aspects, with only minor differences in temperature, acoustics, and privacy. In contrast, significant differences are observed in the Japanese and Singaporean datasets compared with Western counterparts. Rather than applying a fixed performance target, such as the widely used 80% satisfaction rate, we propose empirically derived benchmarks based on the distribution of satisfaction rates observed in each survey. Performance levels are then categorized into a 3-star ranking, where 3 stars denotes the highest performance (above the 80th percentile) and 1 star the lowest (below the 30th percentile). This approach enables building rating schemes to assign credits more equitably and helps managers benchmark performance more effectively. The study also provides a method for determining the minimum sample size needed for representative POE survey results.</div></div>","PeriodicalId":9273,"journal":{"name":"Building and Environment","volume":"287 ","pages":"Article 113783"},"PeriodicalIF":7.6,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145263958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synergistic effects of spatial morphology and thermal comfort on pedestrian activities in residential areas: A field-based study in Wuhan, China 空间形态和热舒适对居住区步行活动的协同效应——基于武汉的实地研究
IF 7.6 1区 工程技术
Building and Environment Pub Date : 2025-09-29 DOI: 10.1016/j.buildenv.2025.113782
Shen Xu , Siyi Liu , Chi Zhang , Shuangquan Shao , Hongbo Li , Xufeng Chen , Minghao Wang
{"title":"Synergistic effects of spatial morphology and thermal comfort on pedestrian activities in residential areas: A field-based study in Wuhan, China","authors":"Shen Xu ,&nbsp;Siyi Liu ,&nbsp;Chi Zhang ,&nbsp;Shuangquan Shao ,&nbsp;Hongbo Li ,&nbsp;Xufeng Chen ,&nbsp;Minghao Wang","doi":"10.1016/j.buildenv.2025.113782","DOIUrl":"10.1016/j.buildenv.2025.113782","url":null,"abstract":"<div><div>Both outdoor attendance and behavioral activities are significantly affected by the interplay between spatial morphology and environmental comfort. However, limited research has clearly elucidated the interrelationship among outdoor spatial morphology, thermal comfort, and spatial vitality. The aim of the study was to explore the synergistic influence mechanism of outdoor spatial morphology and thermal comfort on pedestrian activities to predict the usage patterns of different communal spaces. A comprehensive dataset covering microclimate, thermal sensation, and outdoor activities was obtained through field measurements over six typical days in both summer and winter. By introducing structural equation modeling (SEM), this study identified the influence paths by which spatial, environmental, and behavioral factors affect spatial vitality. The results indicate that: (1) The effective outdoor thermal comfort temperature range for Wuhan residents is between 7.77 °C and 36.87 °C, with peak comfort occurring at a Universal Thermal Climate Index (UTCI) of approximately 22.33 °C. (2) In winter, outdoor activities peak around 11:00 a.m. and 4:00 pm.; in summer, peaks occur before 10:00 a.m. and after 4:00 pm. Spatial connectivity, accessibility, and sky view factor were key spatial factors influencing vitality (factor loadings: 0.84, 0.71, and 0.80). Thermal comfort was the most influential thermal perception variable (loading = 0.65), while age was the most significant individual factor (loading = 0.85). (3) Greater spatial openness enhances residents’ environmental sensitivity, with steeper and more accurate UTCI–activity relationships. This study quantifies how spatial morphology, outdoor environment, and demographics shape spatial vitality, offering guidance for optimizing residential outdoor space design.</div></div>","PeriodicalId":9273,"journal":{"name":"Building and Environment","volume":"287 ","pages":"Article 113782"},"PeriodicalIF":7.6,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145219262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cluster-based multiscale attribution and spatial mechanism optimization of urban heat and cold islands in Beijing 基于集群的北京城市冷热岛多尺度归因与空间机制优化
IF 7.6 1区 工程技术
Building and Environment Pub Date : 2025-09-29 DOI: 10.1016/j.buildenv.2025.113784
Yushan Liu, Zhuang Shao, Jing Zhao
{"title":"Cluster-based multiscale attribution and spatial mechanism optimization of urban heat and cold islands in Beijing","authors":"Yushan Liu,&nbsp;Zhuang Shao,&nbsp;Jing Zhao","doi":"10.1016/j.buildenv.2025.113784","DOIUrl":"10.1016/j.buildenv.2025.113784","url":null,"abstract":"<div><div>Amid accelerating urbanization and climate change, it has become increasingly urgent to understand the spatial mechanisms governing heat and cold island dynamics in megacities. This study establishes an integrated, cluster-based typological framework by combining multi-source data with interpretable machine learning, statistical modeling, and spatial network analysis, aiming to disentangle the drivers and spatial organization of urban thermal environments in Beijing. Our analysis demonstrates that: (1) Intense built-up density and insufficient ecological buffering are primary contributors to urban heat intensification. (2) Regulatory mechanisms differ between heat and cold islands. In heat island zones—especially where space is constrained and blue–green coverage is limited—vegetation functions as the dominant and resilient cooling agent, whereas in cold island formation, large, contiguous water bodies and vegetated buffers play a crucial role by facilitating ventilation and delivering broad, sustained cooling effects. (3) Urban thermal resilience or vulnerability is closely tied to both spatial heterogeneity and connectivity of thermal patterns. Well-connected cold island backbones enable broader and more sustainable citywide cooling, whereas fragmented or isolated patches offer limited mitigation. Conversely, “enclosure-core” spatial configurations—such as the Urban Commercial–Business Area surrounding the Metropolitan Core Area—exacerbate heat entrapment by limiting ventilation and intensifying internal thermal buildup. These findings advance understanding of how urban form, landscape structure, and functional zoning jointly influence heat risk, and provide an operational framework to inform adaptive, differentiated strategies for thermal mitigation and sustainable urban planning.</div></div>","PeriodicalId":9273,"journal":{"name":"Building and Environment","volume":"287 ","pages":"Article 113784"},"PeriodicalIF":7.6,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145219214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advanced glazing systems for retrofitting educational buildings: A comprehensive visual comfort, life cycle energy, and environmental impact 用于改造教育建筑的先进玻璃系统:综合视觉舒适,生命周期能源和环境影响
IF 7.6 1区 工程技术
Building and Environment Pub Date : 2025-09-29 DOI: 10.1016/j.buildenv.2025.113785
Sajede Karimian , Maryam Azmoodeh , Fahimeh Dokhanian , Mostafa Mohajerani
{"title":"Advanced glazing systems for retrofitting educational buildings: A comprehensive visual comfort, life cycle energy, and environmental impact","authors":"Sajede Karimian ,&nbsp;Maryam Azmoodeh ,&nbsp;Fahimeh Dokhanian ,&nbsp;Mostafa Mohajerani","doi":"10.1016/j.buildenv.2025.113785","DOIUrl":"10.1016/j.buildenv.2025.113785","url":null,"abstract":"<div><div>Glazing systems play a crucial role in building envelopes, primarily by providing visual comfort, although they are less effective in preventing heat transfer. This study focuses on three types of advanced glazing systems, investigating their impact on visual comfort and life cycle assessment in an educational building located in Qazvin, Iran, within the Hot-summer Mediterranean (Csa) Köppen climate zone. The primary objective of this study is to identify the optimal type that enhances visual comfort while reducing environmental impacts throughout the life cycle. A quantitative simulation approach was applied in this research. Data was collected using the Window software. Subsequently, energy and lighting simulations were conducted using the Ladybug Tools plugin and EnergyPlus software, and a life cycle assessment was carried out using SimaPro. The life cycle assessment utilized the Ecoinvent database and the ReCiPe method. Results indicate that the first type of Fritted glazing (16.87 %) and Microshade (10.45 %) exhibit the lowest carbon emissions and the best glare control, respectively. Moreover, the first type of Fritted glazing was found to be the most effective for providing adequate daylight. This research can assist designers and builders in making more informed decisions regarding advanced glazing systems and improving educational environment quality.</div></div>","PeriodicalId":9273,"journal":{"name":"Building and Environment","volume":"287 ","pages":"Article 113785"},"PeriodicalIF":7.6,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145219215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An innovative model integrating dual-channel graph attention network and multi-task learning for building energy consumption anomaly detection 结合双通道图关注网络和多任务学习的建筑能耗异常检测创新模型
IF 7.6 1区 工程技术
Building and Environment Pub Date : 2025-09-29 DOI: 10.1016/j.buildenv.2025.113790
Chongyi Tian , Qiang Liu , Changbin Tian , Xin Ma , Weizheng Kong
{"title":"An innovative model integrating dual-channel graph attention network and multi-task learning for building energy consumption anomaly detection","authors":"Chongyi Tian ,&nbsp;Qiang Liu ,&nbsp;Changbin Tian ,&nbsp;Xin Ma ,&nbsp;Weizheng Kong","doi":"10.1016/j.buildenv.2025.113790","DOIUrl":"10.1016/j.buildenv.2025.113790","url":null,"abstract":"<div><div>Building energy consumption data are subject to the combined influence of multidimensional factors such as meteorological conditions, equipment status, and human factors, posing significant challenges to the effective identification of anomaly patterns within these data. To address these challenges, a multi-task learning model based on a dual-channel graph attention network (GAT) is proposed. The model processes building energy consumption data with strong temporal periodicity and multivariate coupling, and realizes efficient and accurate anomaly detection. The proposed method adopts a feature graph attention layer to model the coupling relationships between the energy consumption of circuits (such as air conditioning, lighting, and power) and environmental parameters, while simultaneously using a temporal graph attention layer to capture periodic patterns like workdays and non-workdays. Based on the prediction error of the temporal convolutional network (TCN) model and the reconstruction error of the variational autoencoder (VAE) model, a dynamic balancing coefficient is designed to achieve adaptive adjustment of the anomaly score to changes in data distribution. The feasibility and efficiency of the proposed novel multi-task model were validated using an energy consumption dataset collected from an office building in Jinan, China. Experimental results show that for anomaly detection of air conditioning, lighting, power, and other circuit energy consumption, the proposed model achieves F1-scores of 0.936, 0.951, 0.905, and 0.892, respectively. Compared with comparative models, the F1-scores are improved by at least 6.1 %, 4.4 %, 3.2 %, and 4.7 %. This method provides an efficient and reliable technical solution for refined management and control of building energy consumption.</div></div>","PeriodicalId":9273,"journal":{"name":"Building and Environment","volume":"287 ","pages":"Article 113790"},"PeriodicalIF":7.6,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145219303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sensitive thresholds of indoor temperature-humidity on arthritis in older adults: A year-round cohort time-series study with PELT change-point detection 室内温湿度对老年人关节炎的敏感阈值:一项使用PELT变化点检测的全年队列时间序列研究
IF 7.6 1区 工程技术
Building and Environment Pub Date : 2025-09-28 DOI: 10.1016/j.buildenv.2025.113781
Yan Zhang , Wei Yu , Ning Gao , Haizhu Zhou , Chandra Sekhar , Xiaojuan Yang
{"title":"Sensitive thresholds of indoor temperature-humidity on arthritis in older adults: A year-round cohort time-series study with PELT change-point detection","authors":"Yan Zhang ,&nbsp;Wei Yu ,&nbsp;Ning Gao ,&nbsp;Haizhu Zhou ,&nbsp;Chandra Sekhar ,&nbsp;Xiaojuan Yang","doi":"10.1016/j.buildenv.2025.113781","DOIUrl":"10.1016/j.buildenv.2025.113781","url":null,"abstract":"<div><div>Sudden temperature and humidity shifts may trigger or worsen arthritis symptoms in older adults. However, indoor environmental exposure thresholds remain unclear. This study followed 28 elderly adults with osteoarthritis in Chongqing for one year, recording joint symptoms and indoor climate conditions. We used distributed lag non-linear models (DLNM) and generalized linear models (GLM) to assess how eight indoor environmental indicators—mean temperature (Tmean), mean humidity (Hmean), diurnal temperature range (DTR), diurnal humidity range (DHR), temperature change between neighboring days (TCN), humidity change (HCN), temperature variability, and humidity variability (HV)—affect symptoms over time. We used the Pruned Exact Linear Time (PELT) algorithm to detect change points and define three-level sensitivity thresholds. Results showed that rapid or unusual changes in indoor temperature and humidity increased joint pain risk. Risks were highest in autumn and winter when indoor conditions fluctuated sharply. Temperature-related symptoms appeared mostly within three days; humidity-related effects within four days. We identified the following acceptable sensitivity thresholds (Level Ⅲ): Tmean [14.6 °C, 32.4 °C]; DTR &lt;4.4 °C; TCN [-2.2 °C, 2.5 °C]; TV &lt;4.6 °C; Hmean [47.0 %, 81.4 %]; HCN [-8.1 %, 9.1 %]. DHR and HV showed no clear limits. Fluctuations beyond these values were more likely to worsen symptoms. Levels Ⅰ and Ⅱ exhibit progressively narrower threshold ranges, with Level Ⅰ representing the optimal zone in which symptom risk is minimal. These findings provide clear and quantified reference points for indoor climate control to help manage arthritis symptoms in older adults.</div></div>","PeriodicalId":9273,"journal":{"name":"Building and Environment","volume":"287 ","pages":"Article 113781"},"PeriodicalIF":7.6,"publicationDate":"2025-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145219296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Summer thermal comfort in naturally ventilated residences during overheating: A multi-city field investigation in China’s cold and severe cold regions 自然通风住宅过热时的夏季热舒适:中国寒区和严寒地区多城市实地调查
IF 7.6 1区 工程技术
Building and Environment Pub Date : 2025-09-27 DOI: 10.1016/j.buildenv.2025.113779
Bolun Zhao , Mengjie Hou , Yitong Xu , Jiahui Yu , Wen-Shao Chang , Yi Xu , Haibo Guo
{"title":"Summer thermal comfort in naturally ventilated residences during overheating: A multi-city field investigation in China’s cold and severe cold regions","authors":"Bolun Zhao ,&nbsp;Mengjie Hou ,&nbsp;Yitong Xu ,&nbsp;Jiahui Yu ,&nbsp;Wen-Shao Chang ,&nbsp;Yi Xu ,&nbsp;Haibo Guo","doi":"10.1016/j.buildenv.2025.113779","DOIUrl":"10.1016/j.buildenv.2025.113779","url":null,"abstract":"<div><div>Despite growing concerns over summer overheating in China’s cold climate regions, research has predominantly prioritized winter comfort and heating energy demand. Empirical evidence on how residents perceive and adapt to summer heat remains critically limited. This study investigated summer thermal comfort and adaptive behaviors in overheating-prone residential buildings across multiple Chinese cities through a large-scale field survey involving 11,884 valid questionnaires and environmental monitoring. The study analyzed interactions between thermal environments and occupant responses, focusing on short-term thermal history, clothing adjustments, and diurnal variations in thermal sensation. The results indicated widespread overheating, with 37 of the 44 monitored rooms (84.1%) exceeding the CIBSE TM59 threshold based on operative temperature data collected from May to September 2024. Regression analysis revealed a neutral temperature of 23.5 °C, with comfort at 24.4 °C and an 80% acceptability limit of 28.7 °C, defining a practical overheating benchmark for cold-region residences. Clothing adjustment proved effective in maintaining comfort within ±3∼4 °C of the neutral temperature. Individuals exhibited a preference for neutral to marginally warm environments and displayed greater adaptability in warmer conditions. Short-term thermal history—especially recent cooling—strongly affected thermal sensation, although behavioral responses were limited. Neutral temperatures were ∼2 °C higher at night than during the day, underscoring the need to account for behavioral adaptation and temporal variation in comfort assessments. This study offers empirical data and insights to inform overheating risk evaluation and thermal environment design in China’s cold and severe cold regions, where summer indoor comfort has long been overlooked.</div></div>","PeriodicalId":9273,"journal":{"name":"Building and Environment","volume":"287 ","pages":"Article 113779"},"PeriodicalIF":7.6,"publicationDate":"2025-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145219218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Night-time urban heat exposure: Overheating and thermal resilience of South American bedrooms 夜间城市热暴露:南美卧室的过热和热弹性
IF 7.6 1区 工程技术
Building and Environment Pub Date : 2025-09-27 DOI: 10.1016/j.buildenv.2025.113757
Silvana Flores-Larsen , Facundo Bre
{"title":"Night-time urban heat exposure: Overheating and thermal resilience of South American bedrooms","authors":"Silvana Flores-Larsen ,&nbsp;Facundo Bre","doi":"10.1016/j.buildenv.2025.113757","DOIUrl":"10.1016/j.buildenv.2025.113757","url":null,"abstract":"<div><div>The intersection of urban heat exposure and housing vulnerability remains poorly understood in the Global South. This study introduces one of the first empirical assessments of night-time overheating and thermal resilience in South American bedrooms during heat waves, while proposing a criterion that links overheating and a resilience score. We monitored 15 bedrooms in Salta, Argentina, over the 2023–2024 cooling season, which included seven heatwaves. Air temperatures ranged 18.8–31.7<!--> <span><math><mrow><msup><mrow></mrow><mrow><mo>∘</mo></mrow></msup><mi>C</mi></mrow></math></span>, with 39% of night-time values exceeding 26<!--> <span><math><mrow><msup><mrow></mrow><mrow><mo>∘</mo></mrow></msup><mi>C</mi></mrow></math></span>, temperatures that can compromise sleep quality and health. Overheating occurred on 33% of nights, and notably, it often peaked after heatwave ends due to buildings’ thermal inertia. Bedrooms on upper floors and in denser urban areas were more vulnerable, while ground-floor and air-conditioned spaces showed greater resilience. Importantly, prolonged heatwaves posed greater risks than shorter and more intense ones, and 65% of bedrooms experienced strong or extreme overheating. These findings highlight an urgent need to rethink housing design and urban policies in Latin America, where mechanical cooling is not universally accessible. By providing high-resolution thermal data from an understudied region, this study supports the development of equitable, passive cooling strategies and inclusive frameworks for assessing thermal risk under climate extremes.</div></div>","PeriodicalId":9273,"journal":{"name":"Building and Environment","volume":"287 ","pages":"Article 113757"},"PeriodicalIF":7.6,"publicationDate":"2025-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145219219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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