دانلود مقاله ISI انگلیسی شماره 90940
کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
90940 2017 24 صفحه PDF سفارش دهید 8513 کلمه
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عنوان انگلیسی
Comprehensive cost-benefit analysis of energy efficiency in social housing. Case study: Northwest Mexico
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Energy and Buildings, Volume 152, 1 October 2017, Pages 279-289

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چکیده انگلیسی

This article proposes a methodology, via a case study, to address the principles of Cost Benefit Analysis (CBA), applied to energy efficiency in social housing. In Northwest Mexico (NWM), comfort in Summer cannot be achieved without mechanical cooling; the hot-dry climate, combined with poorly designed dwellings, results in large cooling loads. Having demonstrated in a previous research work that passive cooling can be effective for reducing internal temperatures, it was necessary to investigate whether strategies proposed were affordable for householders and still profitable for developers. A typical social dwelling was set as reference case to assess the remedial measures applied, resulting in two new forms of new build and one for retrofit; the analysis included the two types of mechanical cooling commonly used in NWM, the vapour compression-based air conditioning and evaporative cooling. Using the Net Present Value (NPV) as comparison parameter, results showed that investing in low-energy design or energy-efficiency upgrade is always profitable in terms of reduced energy consumption, but the payback period varies depending on the type and source of financing. For example, when using single room air-conditioning devices in a new dwelling, the additional cost of the passive features was paid for, via reduced energy bills, in six years.

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