Cheap, low-energy evaporative cooling devices are keeping water, food, people, and even whole buildings cool across India.
This summer, India has endured possibly its worst ever heatwave. The capital, Delhi, logged a record high of 52.9 degrees Celsius on May 29, while India ’s northern states have baked at sustained temperatures of more than 42 degrees during the daytime. Only now, as the rainy season starts, are temperatures cooling. But in the coming years, things will only get worse. For many, respite from the relentless heat has come from an improbable source: the earth.
Evaporative cooling chills the air when it’s inside the cone, and the difference in the size of the openings means that the cold air is propelled through the smaller opening to the interior of the building. If using a water pump to keep the structure wet, the system does require electricity, but the company estimates only about a third as much as a comparable AC unit.
Extreme Heat Cooling Architecture Weather India Climate Change
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