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      DEVELOPING AN ENERGY BENCHMARKING SYSTEM FOR HOTEL BUILDINGS USING THE STATISTICAL METHOD AND THE SIMULATION-BASED APPROACH

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          Abstract

          Due to increased tourist activity, many cities now have a large number of hotel buildings. It is necessary to establish measures to evaluate energy use intensity to effectively manage energy consumption in this sector. This study uses a combined strategy to establish an energy benchmark for hotel buildings in Vietnam. First, a survey and analysis of actual building stock data of 50 hotels in Danang, Vietnam, was conducted. The survey-based benchmark and its related data was then used to build a reference energy model to estimate an energy benchmark for other climatic regions in Vietnam by using the energy simulation method. The results reveal that the average energy use intensity for hotels in Danang was 87.4 kWh/m 2.year or 8628.6 kWh/guestroom.year. However, this study proposes that because of the differing expectations of comfort standards, hotels of different grades should have separate benchmarks. This study also proposes an energy intensity-based rating scale, including 7 grades from the least energy intensive (grade A) to the most energy intensive (grade G), which can be used to manage, label, or encourage sustainable energy use in hotel buildings. The relationship between the energy use intensity and the occupancy rate of the hotels was reported, compared, and explained. It was found that occupancy rate has no significant impact on the energy use intensity. From the survey result, some predictive models were developed to estimate annual energy consumption of hotel buildings based on their grades. The simulated benchmarks for other regions were also achieved. The results demonstrate many potential applications in the management, design and construction, and renovation of this building type.

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          Most cited references 26

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          EnergyPlus: creating a new-generation building energy simulation program

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            A study of energy performance of hotel buildings in Hong Kong

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              Review of building energy-use performance benchmarking methodologies

               William Chung (2011)
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                Author and article information

                Journal
                jgrb
                Journal of Green Building
                College Publishing
                1552-6100
                1943-4618
                1943-4618
                Summer 2019
                : 14
                : 3
                : 1-22
                Author notes

                1. Faculty of Architecture, University of Science and Technology–The University of Danang, Viet Nam; email: natuan1@ 123456dut.udn.vn

                2. Fulbright U.S. Faculty Scholar at the Faculty of Architecture, University of Science and Technology–The University of Danang, Viet Nam

                3. School of Architecture, University of Hawaii, U.S.A., email: rockwood@ 123456hawaii.edu

                Article
                jgb.14.3.1
                10.3992/1943-4618.14.3.1
                © 2019 College Publishing
                Page count
                Pages: 22
                Product
                Categories
                RESEARCH

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