Our ancestors long before predicted the modern climate phase and designed so beautifully looking monuments. Some of these ancient architectures of the land of Rajasthan are designed so as to portray natural cooling system principle. Rajasthan’s Hawa Mahal and Chand Baori are a perfect example of how the interiors served as natural coolers without the use of electricity.
Hawa Mahal was constructed around 300 years ago by Maharaja Sawai Pratap Singh. He being a believer of Lord Krishna designed it in the form of a crown – his ‘mukut’. This unique ‘Palace of Winds’ has its roots from physics’ Venturi effect. According to this principle, the fluid pressure is reduced and is constricted in a fixed path which lets the same cool air to flow all around. Another important feature which helps it to be a natural cooler is its walls. They are made of lime and stone which not only help cool the surroundings but also increases the life span of this well preserved monument.
Chand Baori, a step well with around 3500 stairs is also situated in the dry arid land of Rajasthan. Serving two purposes at the same time- one of water collection and storage and other, providing a stage for leisurely activities, this funnel shaped creation of Raja Chand is also an example of natural cooling principle. Based on the passive cooling strategy, the consistent temperature of soil is absorbed to cool a building. This 13 storey Boari is a well portrayed example of natural cooling system.