Safety for consumers, for our customers, and our environment, as well as a consistently high quality standard are the reasons why we undergo regular audits by independent certification companies. We invest in your security, so you can rely on us!

DVGW W 120-2:

The certification according to DVGW W 120-2 is a qualification procedure for companies in the areas of drilling and shallow geothermal energy (geothermal probes).



Member of Bundesverband Wärmepumpe e.V. and partner of ERDWÄRME plus GmbH


  • ASK geotherm GmbH & Co. KG. 
  • Am Goldenen Feld 27, 95326 Kulmbach
  • Tel. 09221 9746-0   Fax 09221 9746-99