iSun
technology

The thermal exploitation of the ground is currently a very widespread topic in Germany, whereby we distinguish between: the exploitation of ground water through wells, the exploitation of ground water located close to the surface of the earth through ground heat collectors or probes, where we also use the foundation supports as heat carriers (energy piles ). In all cases, we use heat to reach the flow temperature required for building heating.

A completely different and significantly more economical route was taken by a Luxembourgish researcher and developer, B.Sc. ing. and physicist Edmond D. Krecké, who directly exploits the Earth’s near-surface temperature resulting from solar heat.

It is known that at a depth of 3 to 4 m, both in summer and in winter, independent of the Earth’s atmosphere, the prevailing temperature is 9 to 11 °C. Some call this phenomenon the temperature of the wine cellar: in winter we feel it as heat, and in summer as cold. In an open building, heating energy must be supplied in accordance with the specific difference between the outside and inside temperature.