The Effect of Using Tall Windows in Buildings on the Thermal Load of the Building and Its Cost Analysis: A Comparative Case Study for Antalya and Erzurum

The 150 cm tall windows that used as the standard in residential buildings are now being replaced by 220 cm tall windows, which are rapidly becoming widespread. This study examined different window types according to both the type of glass used as well as the type of fill material used in double-glazed windows in order to show the effect of window selection on the energy consumption of the building. A comparison between Antalya and Erzurum was also made in the study. The study was carried out on a building model with seven floors and twenty-four apartments, each of which has five units. The window heights in each unit were assumed to be 150 cm and were defined as Type 0. Five additional building types were defined by increasing the window heights in each unit, respectively. Thermal load values were calculated for all six building types and compared with each other. As a result, a 46.7% increase in the window area causes a maximum heat loss of 9.6% in Erzurum and a maximum heat gain of 45.1% in Antalya. These values bring about an increase in the energy consumption by an average of USD 1465.32 per year in Erzurum and an average of USD 581.08 per year in Antalya.

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