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The impact of energy refurbishment interventions on annual energy demand, indoor thermal behaviour and temperature-related health risk
Energy Policy ( IF 9.3 ) Pub Date : 2021-04-10 , DOI: 10.1016/j.enpol.2021.112276
Matxalen Etxebarria-Mallea , Xabat Oregi , Olatz Grijalba , Rufino Hernández-Minguillón

The reduction of energy consumption in the built environment by energy renovation strategies is an important target to deal with buildings sector's negative impact on our planet. Regardless of the potential for energy and emissions savings, building renovation has other relevant effects on users' quality of life and health that has not been so well assessed. The present study aims to contribute to current building energy efficiency targets, particularly to Spanish residential building sector, from a still non-existing integrated vision. To this end, an evaluation method was developed to discuss the impact of energy renovation interventions on annual energy demand, indoor thermal comfort and indoor thermal health risk variation. The approach was applied to an open linear residential block located in the Basque Country (northern Spain), and twelve scenarios based on three variables were analysed using DesignBuilder tool. The results obtained show a clear contrast in the impacts caused by energy refurbishment interventions. In particular, the generalized decrease in the number of hours in which indoor temperatures are within comfortable ranges is significant in contrast to the noteworthy reduction in annual energy demand. In conclusion, the results suggest new factors to be considered when updating energy renovation policies.



中文翻译:

能源翻新措施对年度能源需求,室内热行为和与温度相关的健康风险的影响

通过能源改造策略减少建筑环境中的能源消耗是应对建筑行业对我们星球的负面影响的重要目标。不管节能减排的潜力如何,建筑物翻新对用户生活质量和健康的其他相关影响尚未得到很好的评估。本研究旨在通过尚不存在的综合愿景为当前的建筑节能目标(特别是西班牙住宅建筑部门)做出贡献。为此,开发了一种评估方法,以讨论能源翻新干预措施对年度能源需求,室内热舒适度和室内热健康风险变化的影响。该方法已应用于位于巴斯克地区(西班牙北部)的开放式线性住宅区,使用DesignBuilder工具分析了基于三个变量的十二个场景。所获得的结果表明,在能源翻新干预措施所产生的影响方面存在明显的对比。尤其是,室内温度在舒适范围内的小时数的普遍减少与每年能源需求的显着减少形成了鲜明的对比。总之,结果表明在更新能源改造政策时应考虑新的因素。与每年能源需求的显着减少相比,室内温度在舒适范围内的小时数的普遍减少是显着的。总之,结果表明在更新能源改造政策时应考虑新的因素。与每年能源需求的显着减少相比,室内温度在舒适范围内的小时数的普遍减少是显着的。总之,结果表明在更新能源改造政策时应考虑新的因素。

更新日期:2021-04-11
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