ypology of Historic Houses in Hamedan Based on Physical CriteriaEffective on Climatic Function

As one of the oldest cities of Iran, Hamedan is thousands of years old. The oldest housesin Hamedan date back to the time of the Ackameniads. During the archeologicalexcavations in 1990s, the remants of these houses were discovered in Hegmataneh hill.Houses belonging to the era before Qajar dynasty are rare in Hamedan. However, thereare plenty of architectural structures belonging to Qajar era, including houses. This studyis an applied study with a mixed nature, employing both qualitative and quantitativemethods. In the beginning it delves into the climate of Hamedan based on the climaticrecords of this city from 1976 to 2015. It further studies the climatic needs of the region for wellbeing of humans, using Climate consultant software. Following this, 33 historichouses in Hamedan with full information and documents needed will be selected fortypology. The said typology was carried out, using structural analysis to find collectivephysical specifications of these houses based on the criteria effective on the climaticfunction of this city. Based on the results of this study, the architecture of the historiccities of Hamedan are in concordance with the climatic and social situation of this city.The most important factors involved included, maximal benefit of sunlight in winter, aswell as minimizinig the effect of unfavorable winds. Majority of houses in Qajar era wereinternal with central yards. In Pahlavid era, the form and shape of residential structuresentered a new phase. In this way, the historic houses in Hamedan can be divided into 3 categories based on the physical criteria effective on climatic functioning of the houses: Type A: Qajar era houses with internal form and central yard, as well as interior andexterior spaces. Type B: Houses of late Qajar and early Pahlavid era with a mixture ofinternal and external types. Type C: Houses that were under the effect of westernarchitercture and were external