ASK geotherm GmbH & Co. KG

Who we are

ASK geotherm designs and installs geothermal energy sources of small plants turnkey for family homes to large probe fields for industrial use including all incidental work up to the heat pump (on site). This we remain the sole contact for the client tapping the heat source as well as for the distribution and connection to the heating system. Our reference customers include, among others Rehau AG, Swan Housing Holding, Glen Dimplex and AIT GmbH Germany GmbH.

ASK geotherm is part of the ASK Group of Companies based in Kulmbach. The ASK Group is for more than 150 years synonymous with professionally competent and high-quality services in civil engineering.


The ASK geotherm supplied private residences and commercial properties with heating and cooling from the earth. Thanks to the power spectrum of the ASK geotherm GmbH & Co. KG, the group is now more and more with private clients in touch. The catchment area of the ASK geotherm extends over the entire Northern Bavaria and Thuringia and Saxony. With years of experience they can cover the development of geothermal energy sources in full today.


We are certified by DVGW according W120 (2008) and accredited geothermal energy Plus® Bohrpartner.


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