GTB Erdsondenbohrungen AG
Wallisellen
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GTB Erdsondenbohrungen AG covers the whole project, from planning through deep drilling to the house connection and the necessary civil works. Planning includes consultations, feasibility studies, geological assessments, sizing and simulations, plus obtaining permits and coordinating with the authorities. The company also carries out assessments of existing installations.
The business is based in Wallisellen and works mainly in the cantons of Zurich, Thurgau, and St. Gallen. GTB is a member of the Swiss heat pump trade association and holds the current quality seal for drilling firms. Advice and execution are carried out in German.