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首页> 外文期刊>Journal of Performance of Constructed Facilities >Economic and GHG Emission Analysis of Implementing Sustainable Measures in Existing Public Buildings
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Economic and GHG Emission Analysis of Implementing Sustainable Measures in Existing Public Buildings

机译：既有公共建筑实施可持续措施的经济和温室气体排放分析

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Buildings in the United States are responsible for 72% of the nation's electricity consumption, 39% of energy consumption, 39% of carbon dioxide emissions, and 13% of potable water consumption. These significant energy and water consumptions and their carbon emissions contribute to global warming, ozone depletion, and air pollution. To reduce these negative impacts of buildings and improve their economic performance, there is an increasing demand for integrating sustainable measures in public buildings such as energy-efficient lighting; motion sensors for interior lighting; motion sensors for lighting of vending machines; motion sensors for exhaust fans; solar daylight tubes; energy-efficient HVAC systems; thermal-pane glass; vestibule entrances; energy-efficient hand dryers; solar photovoltaic systems; and water-saving toilets and urinals. Despite the recent increase in the availability of these sustainable building measures and technologies, there is a pressing need to analyze the economic and greenhouse gas (GHG) emission effects of implementing these measures in existing buildings. This paper presents an economic and GHG emission analysis of implementing various sustainable measures in six highway rest area buildings. The economic analysis was performed based on the initial upgrade costs, maintenance costs, operational costs, energy and water savings, discount rate, and escalation in energy rates. The GHG analysis was conducted based on the generated building emissions of carbon dioxide, nitrous oxide, and methane. The findings of the conducted economic and GHG emission analysis showed promising results with feasible implementation and return on investment for various sustainable-building measures. In addition, the implementation of all the analyzed measures in all rest area buildings simultaneously showed promising return on investment with payback periods ranging from 6.9 to 11.3years. The findings of this research paper can aid decision-makers and building owners to estimate the costs and benefits for implementing various sustainable-building measures in public buildings, as well as to prioritize the implementation of these measures based on their available budgets, reduction in operational costs and GHG emissions, and payback periods.
机译：美国的建筑物占全国用电量的72％，能源消耗的39％，二氧化碳排放的39％和饮用水的13％。这些巨大的能源和水消耗及其碳排放量导致全球变暖，臭氧消耗和空气污染。为了减少建筑物的这些负面影响并提高其经济绩效，对将可持续措施（例如节能照明）纳入公共建筑物的需求日益增加。室内照明运动传感器;自动售货机照明的运动传感器;排风扇运动传感器;太阳能日光灯管;节能型HVAC系统;导热玻璃前厅入口;节能干手机太阳能光伏系统;以及节水的厕所和小便池。尽管最近增加了这些可持续建筑措施和技术的可用性，但迫切需要分析在现有建筑物中实施这些措施的经济和温室气体（GHG）排放效应。本文介绍了对六座公路休息区建筑物实施各种可持续措施的经济和温室气体排放分析。经济分析是基于初始升级成本，维护成本，运营成本，能源和节水，折现率以及能源价格上涨进行的。温室气体分析是根据建筑物产生的二氧化碳，一氧化二氮和甲烷的排放量进行的。进行的经济和温室气体排放分析的结果显示，在可行的实施和各种可持续建筑措施的投资回报率方面，前景乐观。此外，所有休息区建筑物中所有已分析措施的实施同时显示出可观的投资回报，投资回收期为6.9年至11.3年。本研究报告的结果可帮助决策者和建筑物所有者估算在公共建筑中实施各种可持续建筑措施的成本和收益，并根据其可用预算优先执行这些措施，从而减少运营成本。成本和温室气体排放以及回收期。

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