The core activity of Sanitär Peter Müller AG encompasses the planning, installation, and maintenance of sanitary, heating, and alternative energy systems, including: Sanitary technology, Ventilation technology, Heating technology, Alternative energy systems, such as: Heat pumps, District heating transfer stations, Wood-fired systems, Rainwater harvesting systems, Heat recovery systems, Thermal solar systems. The company offers these services to private and business customers and provides consulting services for the selection and implementation of alternative energy sources.