The townhouse in the middle of Perg was previously supplied with district heating, but after the operating costs became too high for the owner, and the cooling of his house was also on his wish list, he decided on a heat pump with a deep drilling.
This allows him to make optimal use of his existing PV system with storage and also to temper his house, especially the conservatories, in a very environmentally friendly way via passive cooling.
All technical data you can find in the PDF file: