Eco-friendly refrigerator uses wasted heat produced by the fridge to help keep fruits and vegetables fresh for longer periods of time.

OLTU fridge designed by Fabio Molinas. The heat rises to create perfect temperature and humidity for clay containers with fruits and vegetables.

Innovative stacked containers feature double walls filled with water that slowly evaporates and cools the food. “Cooling by evaporation.”

Also check out: Underground Refrigerator