The core activity of Mattmann Gebäudetechnik AG encompasses the planning, installation, maintenance and repair of various technical systems in buildings, particularly: heating systems (heat pumps, oil and gas heating systems, wood heating systems, solar systems), sanitary installations (installation of sanitary appliances and fittings, washing machines, tumble dryers, boilers, water softening systems, exhaust air ducts), floor conduits (supply lines for entire buildings), and lightning protection systems (installation, maintenance and testing of lightning protection systems). The company also provides consulting and planning services for these systems and supports customers in modernizing or replacing existing systems.