HEAT SOURCES

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90% of the earth’s core is at temperatures over 1,000°C!

Geothermal heat is a renewable form of energy. From a depth of 20m below the surface, the temperature is a constant +10°C without seasonal fluctuations. This consistency provides a warm brine temperature in the winter and is ideal for cooling in the summer. The high temperatures at the core of the earth (over 1,000 °C in 90% of the earth’s core) ensure the energy is renewed from the bottom. The sun’s radiation warms up the earth from the top. We distinguish between four forms of geothermal heat applications: deep drilling, brine flat collectors, direct evaporation flat collectors and groundwater use. These four represent the most common variants and for this reason, they are described in more detail in the following section. Ice storage, geothermal heat baskets and energy probes represent only a fraction of other methods. For this reason, please contact your local iDM Partner.

HEAT SOURCES IN DETAIL

Direct evaporation is the most efficient geothermal heat application for confined areas.

Heat pumps with deep drilling are the safest variant: they require a minimum of space, have a long service life and are suitable for heating and air conditioning.

Flat collectors are cheap to install but require a large surface below the garden.

Groundwater technology is highly efficient and requires little space: the energy is drawn from the earth using two wells.