Felix Neureuther heats with ice. The ex-ski racer recently criticized the timing of the start of the World Cup.
The 39-year-old tries to budget sustainably for his family and himself. He now uses a special method of generating energy in his own house, an ice storage tank. The ice storage works as follows: A cistern acts as the foundation stone, i.e. a container buried underground that is filled with water. You also need a solar system on the roof of the house and a heat pump.