Established in 1997 in the picturesque city of Lucerne, Switzerland, the von Düring Group (VDG) is a family office that specializes in real estate, tourism, and renewable energy projects both within and outside of Switzerland.

One of our key investments, developed by our subsidiary Clozed Loop Energy AG (CLEAG), boasts a patented technology that offers substantial environmental and economic advantages over traditional geothermal power stations.

Our approach is centered on elevating the residential, agricultural, and industrial sectors with affordable, clean heating/cooling and energy solutions. By prioritizing innovation, we aim to promote sustainability and competitiveness while sharing knowledge and expertise to jointly address the challenges of climate change.As a family business with a long tradition, trust, discretion, loyalty, and professionalism are our core values.