China's envy-inducing solution to extreme heat: It lowers the temperature in minutes

China's envy-inducing solution to extreme heat: It lowers the temperature in minutes

02.07.2026 18:01

In China, which is combating the effects of global warming, "roof rain systems" developed to reduce scorching temperatures in cities have become a trend on social media. It is reported that the system, installed on building rooftops, lowers the ambient temperature by 5 to 8 degrees Celsius within minutes.

As temperatures around the world continue to exceed seasonal norms, pushing countries to seek alternative solutions, a remarkable technological move has emerged from China.

In the country, which is battling high urban temperatures due to population density and concrete development, "roof rain systems" have been implemented. Recorded footage shows artificial sprinkling being carried out via special mechanisms installed on building roofs. It was stated that this innovative system is used to rapidly balance the city's air temperature, especially during peak heat hours.

DROPS 5-8 DEGREES IN MINUTES

According to details shared about the system's operating principle, the ambient temperature can be lowered by 5 to 8 degrees in just a few minutes thanks to water droplets sprayed from the roofs. This method, which both creates an artificial cooling wave and cools the exterior surfaces of buildings, is aimed at reducing air conditioning use, particularly in dense urban areas, thereby contributing to energy savings.

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