Modernization

Using geothermal energy on your own property is totally free
of charge and additionally this energy is CO2-free.

Oil and gas resources are getting shorter and their prices will
consequently rise. When modernizing an old building the German government has aid programmes like the KfW 60 and KfW 40.
View Example-Modernization.

The existing heating system can be run by geothermic energy
in the same way. (The cooling-feature does not work with radiators).

For 150,- Euros Exotherm calculates precisely your individual energy requirements.Download planing sheet as PDF-file here .