既有办公楼环境改造的能源与经济分析

IF 1.8 Q3 MANAGEMENT
D. M. Nguyen, G. Ding, G. Runeson
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引用次数: 2

摘要

几十年来,建筑一直被认为是一个重要的领域,在其生命周期中对环境产生负面影响,加速气候变化。反过来,气候变化也会对建筑物产生影响,极端热浪更频繁地发生,导致地球温度升高。运行阶段是建筑物生命周期中最长的阶段。在这一时期,办公楼消耗的能源最多,向环境排放的温室气体污染最多。由于现有建筑存量庞大,为提高能源效率而进行的建筑升级似乎是减少污染的最佳途径。本文以办公建筑为研究对象,对建筑节能升级进行了经济分析。本文确定了通常进行的升级活动,以提高办公大楼的能源效率,并对澳大利亚悉尼的三座办公大楼进行了案例研究,以分析结果。通过升级改造,案例建筑的能源性能从3星提升至5星NABERS能源等级,符合澳大利亚政府能源政策的强制性要求。随着能源价格的潜在上涨,能源效率升级将变得更加负担得起,但目前,除了太阳能电池板和运动传感器外,大多数升级都显示出负回报,如果它们不能提高租金收入和延长建筑物的使用寿命,就不会进行。利益冲突升级声明作者声明在本文的研究、作者身份和/或发表方面不存在潜在的利益冲突。作者在研究、撰写和/或发表本文时未获得任何经济支持。文中所讨论的代表了一个潜在的有吸引力的替代拆除和重建。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Energy and economic analysis of environmental upgrading of existing office buildings
Over many decades, buildings have been recognised as a significant area contributing to the negative impacts on the environment over their lifecycle, accelerating climate change. In return, climate change also impacts on buildings with extreme heatwaves occurring more frequently and raising the earth’s temperature. The operation phase is the most extended period over a building’s lifespan. In this period, office buildings consume most energy and emit the highest amount of greenhouse gas pollution into the environment. Building upgrading to improve energy efficiency seems to be the best way to cut pollution as the existing building stock is massive. The paper presents an economic analysis of energy efficiency upgrade of buildings with a focus of office buildings. The paper identifies upgrading activities that are commonly undertaken to upgrade energy efficiency of office buildings and a case study of three office buildings in Sydney, Australia has been used to analyse the results. The upgrading activities can improve the energy performance of the case study buildings from 3 stars to 5 stars NABERS energy rating in compliance with the mandatory requirement in the Australian government’s energy policy. With the potential increase in energy price, energy efficiency upgrading will become more affordable, but currently, most of them, except solar panels and motion sensors show a negative return and would not be undertaken if they did not also contribute to higher rental income and an increased life span of the building. The upgrading DECLARATION OF CONFLICTING INTEREST The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article. FUNDING The author(s) received no financial support for the research, authorship, and/or publication of this article. 82 discussed in the paper represent a potentially attractive alternative to demolition and building anew.
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来源期刊
CiteScore
3.80
自引率
6.20%
发文量
0
审稿时长
20 weeks
期刊介绍: Construction Economics and Building (formerly known as the Australasian Journal of Construction Economics and Building [AJCEB]) is a peer reviewed, open access publication for original research into all aspects of the economics and management of building and construction, quantity surveying and property management as well as construction and property education. It is free for authors, readers and libraries.
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