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Dönni Solar & Bau provides customized solar solutions for residential and commercial clients. From consultation and planning to the installation of photovoltaic systems, we focus on sustainable energy and top-quality service. Our expertise includes roof renovation, building technology, and energy efficiency solutions. Benefit from eco-friendly solar power and optimize your energy costs. With cutting-edge technology and years of experience, we help you transition to renewable energy.

Das Team von Swiss Solarmontagen GmbH lieferte herausragende Leistung und exzellente Beratung. Von Anfang bis Ende professionell und effizient. Besonders beeindruckt hat mich die schnelle und präzise Arbeit, die meine Erwartungen übertroffen hat. Klare Empfehlung für jeden, der erstklassigen Service sucht!

Sustech, as an independent engineering firm for energy and building technology, offers all services from energy consulting to planning and monitoring. We support builders in residential areas as well as in administration, schools, nursing homes, gastronomy, industry, and more. Our primary goal is to optimize sustainability and comfort. • GEAK • Energy Consulting • Building Physics • HVAC Planning • Fossil-Free Heating • Photovoltaic Planning