Abstract
In Turkey, according to TUİK Sectoral Energy Consumption Statistics (2006), the hotel buildings with the highest share, constitute 35% of the total building energy consumption. Energy needs and consumption behaviours differ according to the typology of the building. Energy Performance of Buildings Directive (EPBD) has been adapted to the conditions of Turkey to increase energy and cost efficiency, to reduce the environmental and economic negative effects. The energy consumption and the global cost were investigated under different conditions in an existing hotel building. The paper is unique in its ability to deliver optimum solution through comparison by evaluating energy and cost efficiency at the same time considering sectoral, climatic, technological and economic national conditions when the literature research detailed in the present works about the problem is evaluated in detail. All findings have been compared simultaneously under different climate regions of seasonal and yearly working conditions of selected test hotel to obtain the energy and cost efficiency. Among the proposed improvement scenarios, the optimum scenario is determined in terms of cost and energy efficiency in S18 which has the highest energy efficiency. In this case, both insulation material type and thickness as well as glass type can be bent and through multiple measures can be achieved by 25.7% improvement for energy efficiency.
Highlights
Due to migration and rapid population growth, the energy demand in our developing country is increasing rapidly
Cost optimum energy efficiency level is defined as energy performance level which results in the lowest cost during the economic life period according to Energy Performance of Buildings Directive (EPBD) Recast and this level is until the end of 2020, it is aimed to catch the zero energy level [8]
The energy efficiency of the improvement scenarios based on the reduction of solar gains for this climate zone is high
Summary
Due to migration and rapid population growth, the energy demand in our developing country is increasing rapidly. The per capita energy consumption in Turkey, which was 1493 kWh in 2000, increased by approximately 80% to 2,682 kWh in 2014 [1]. When primary energy consumption is taken into consideration as of 2016, Turkey take place on the rank 19th among all the countries in the world with 129.3 MTEP. According to Ministry of Energy in Turkey, about one third of the energy produced is consumed by buildings in 2005 [2]. There is the potential to minimize the amount of energy consumption in buildings by ensuring the efficient use of the energy produced maintaining the comfort conditions. According to the sectoral reports by the Ministry of Energy, the saving potential rate is 30% in buildings, 20% in industry and 15% in transportation [3]. It is an indisputable fact that the way to reduce energy consumption and energy costs in buildings is possible by increasing energy and cost efficiency
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