Video: Ancient air conditioners - Badgirs - are more effective than modern
2023 Author: Seth Attwood | [email protected]. Last modified: 2023-11-26 22:42
While we all toil from the heat and live only on air conditioners and fans, for a couple of thousand years there has been a device that is so effective that it makes even life in the desert bearable and cools the water almost to freezing point.
The Badgirs are Persian scoops that transform desert homes into cool dwellings. In addition, they are not devoid of exotic aesthetics and rude grace.
Nobody knows exactly when the badgirs appeared, but in Iran itself they have been built for more than two thousand years. The ancient Egyptians had similar structures and were called "malkaf".
Badgirs look like massive chimneys, reminiscent of giant chimneys. They permeate the entire building from the basement itself, through the living quarters and rise high above the house.
Badgirs work due to the same effect as fireplaces, only the system as a whole is more complex and allows for different options.
They are called "wind catchers" for a reason. The point of badgirs is to catch the slightest wind from the surface and, due to the difference in pressure, direct it downward through the entire thickness of the building.
At the same time, badgirs are not just an extract. Due to their size and location in the heart of the building, they constantly cool the surfaces. The heat from the walls is transferred to the rushing wind and also escapes outside.
These devices are both ventilation and a kind of radiators for the whole building. They are surprisingly effective: they are still being built in the desert regions of Iran - air conditioners simply cannot cope here.
In addition to ridding houses of the hellish heat, badgirs were used to cool ganats, that is, underground canals and storage facilities with water.
The efficiency in this case was so great that the water in the storage facilities cooled to almost freezing point - it was icy in the very heart of the desert.
Badgirs are the legacy of old Persia, even from the times when the state religion was not Islam, but Zoroastrianism. Therefore, it is not surprising that most of these structures have survived in Yazda, one of the few Zoroastrian cities in modern Iran.
Wind catchers can be very different and every architect has tried to give them a unique look. Often their shape looks very strange and pretentious.
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