Simulation-supported energy retrofit in historic educational buildings: Ziya Gökalp Elementary School
Keywords:
Historic building, Energy retrofit, Building simulation, Thermal comfort, Carbon emissionAbstract
Energy retrofitting of historic buildings is important for sustainability. However, this is a difficult task due to regulations aimed at preserving historical values. This study aims to develop energy retrofit strategies for the 20th-century Ziya Gökalp Elementary School built as a type of project during Ottoman educational reforms. The method is predicated on a comparative analysis of the model created using DesignBuilder simulations, examining both the current state and retrofit scenarios. Energy performance retrofit scenarios have been developed with consideration for national and international guidelines, local climate conditions, and the building's cultural heritage value. Energy retrofit recommendations were made for the walls, attic floor, and window components. Energy, carbon emission and thermal comfort analyses were conducted for the current state of the building and proposed scenarios. As a result of the proposed scenarios, it was determined that energy conservation was achieved at a rate of 72.43%, the number of comfortable days increased by 31%, and operational carbon emissions decreased by 10.39%. It has been determined that the increase in embodied carbon can be offset by a decrease in operational carbon within two years. These results show that energy retrofits can be conducted without damaging historic educational buildings.
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