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Analysis of variable-base heating and cooling degree-days for Turkey

By Orhan Büyükalaca, Hüsamettin Bulut and Tuncay YIlmaz


The degree-day method is one of the well-known and the simplest methods used in the Heating, Ventilating and Air-Conditioning industry to estimate heating and cooling energy requirements. In this study, the heating and cooling degree-days for Turkey are determined by using long-term recent measured data. Five different base temperatures ranging from 14 to 22°C are chosen in the calculation of heating degree-days. In the case of cooling degree-days, 6 different base temperatures in the range 18 to 28°C are used. Yearly heating and cooling degree-days are given both in tabular form and as counter maps for all the provinces of Turkey (78 weather stations).Heating degree-day Cooling degree-day Turkey Energy analysis

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