Design Criteria for Sustainable city in Kashan Hot Climates

The rich culture of Islamic Iran and its architectural symbols in this land along with the coherence of that architecture with nature and climatic conditions, clarifies the need for attention to Iranian architecture and the recognition of its traditional values. The present research seeks to explore the principles of designing Kashan sustainable cities with the approach of recognizing the valuable patterns of traditional architecture in the warm and dry climate of Iran and with the aim of determining the principles of designing the physical environment of the buildings in Kashan city. The research method is to prepare a questionnaire and documented field survey measures on analytical-geometric survey of 20 well-known historical houses of Kashan The statistical population consisted of two groups of 30 architecture specialists familiar with the architecture of the historical building, including 125 inhabitants interested in Kashan that the questionnaires were analyzed using SPSS22 statistical software. In order to identify the main factors of the design pattern, factor analysis method has been used with the aid of grain size curve of the effective factors. The research findings indicate that eight main factors affecting optimal design are based on 25 micro-factors. The most important design indicators were the three basic criteria required by the audience of the township with the titles: 1. interaction of the audience with nature, 2. responding to the needs of the audience, and 3. adaptation to native culture.