Özet:

Energy efficiency in buildings is an important up-to-date topic. For that reason, accurate calculation of heating and cooling loads is essential. In this study, heating and cooling loads of a residential house were determined by using national standards for different climatic zones Mersin, İstanbul, Ankara, Erzincan, and Erzurum. Calculations were performed by using the TS825 method that is based on national mandatory heat insulation standard TS825 and EnergyPlus software that is based on heat balance method. Heating loads obtained from simulations were compared on the monthly and annual basis. The absolute deviation between methods results was obtained in the range of 1.9% to 39.5 %. The highest deviation was in Mersin where represents the 1st region and the lowest deviation was in Ankara where represents the 3rd region. Since TS825 method has not feature to simulate cooling load, annual cooling load calculated by using EnergyPlus software was 128.2 kWh/m2y for Mersin, 70.7 kWh/m2y for Istanbul, 44.9 kWh/m2y for Ankara, 49.0 kWh/m2y for Erzincan and 26.7 kWh/m2y for Erzurum. Insufficiency of the TS825 method was examined in detail.

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