The core activity of Sutter Haustechnik GmbH is the provision of services in the field of building technology, particularly in the following four areas: 1. Sheet metal work: The company offers sheet metal work, such as the manufacture and installation of gutters, downspouts, and other sheet metal products. 2. Sanitary installations: Sutter Haustechnik GmbH installs and maintains sanitary installations, such as heating systems, water pipes, and sewage pipes. 3. Roofing: The company offers services in the field of roofing, such as the installation of pitched roofs, flat roofs, and re-roofing. 4. Heating systems: Sutter Haustechnik GmbH plans, advises, and installs heating systems for private and commercial customers. The company thus offers a comprehensive range of services in the field of building technology and positions itself as a specialist in these areas.