Architecture in Iran has long been based on principles that today are redefined in modern design theories through concepts such as “sustainable architecture” and “passive energy systems.” What is now known as climate-responsive architecture was historically implemented in structures such as windcatchers, qanats, thick mud-brick walls, and desert icehouses in Iran—structures that regulated indoor temperatures without the need for fuel consumption.
In Iran’s hot and arid regions, architecture was not merely an artistic or construction activity; it was a knowledge system for adaptation and survival. Before the advent of mechanical technologies, Iranian architects designed spaces using strategies now called “passive cooling systems,” which created balanced temperatures without energy consumption. Windcatchers, central courtyards with water pools, thick mud-brick walls, underground spaces connected to qanats, and tall domes were key elements of this architectural approach.
Among these, mud-brick icehouses are considered one of the most outstanding examples of this knowledge. These structures were not only used to store ice but were also engineered systems to produce and preserve it under harsh climatic conditions. Icehouses were often built in colder regions or near mountains to enable ice production in winter, which was then stored for use during hot seasons.
The main function of icehouses was to provide ice for preserving food, preparing cool drinks, and in some cases, helping to reduce indoor temperatures in summer. These structures demonstrate how traditional Iranian architecture was highly adapted to climatic conditions and how it could meet human needs without modern technology.
Writer:Salima Aryaei
