Solution:
Eliodomestico is an innovative solar distiller for households, designed to function without filters or electricity. The device is made from readily available materials, such as burnt clay and tin metal, and can be entirely produced by local craftsmen. The body is made of two earthenware parts. The evaporator (black boiler) and the condenser consist of tin-welded metal sheets. The freshwater bowl is made of clay. Its design takes into account the habit of transporting objects on the head. The choice of materials, shape and colors also relies on technical reasons, such as the thermal insulation, ventilation, heat resistance, absorption or exchange. In the morning, the dirty or salty water is filled in a water tank, and in the evening, clean water can be collected. The water evaporates and re-condenses in a portable recipient placed underneath the tank. The prototype model which has a diameter of 60 cm and a surface area of 0.28 m², produces around 3 liters per day. This results in the production of around 10 liters per day per square meter of surface.