Getting water from air is not an entirely new idea. Decades ago, universities in Peru and Chile developed techniques to condense the water contained in the usual clouds of the cold Pacific coast. But what is proposed by Kumulusa start-up created by a group of Tunisian engineers whose mission is to provide drinking water in an economical and sustainable way, goes a step further technologically. The company has designed a device that is capable of producing 20 to 30 liters of drinking water per day from air. The Kumulus-1defined as an atmospheric water generator (AWG), is a machine that can be installed in a space that can be machine that can be installed in a space of 1 square meter and comes with a solar energy system that makes it autonomous.

The process consists of the air entering the machine and passing through a first filter, which cleans it of contaminants. Then, as the air cools, the water it contains condenses on the surfaces inside the machine, from where it can be collected in a water tank. Basically, it reproduces the phenomenon of morning dew.

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