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

Vor einigen Wochen habe ich mich für den Service eines Solartechnik-Anbieters entschieden und bin unglaublich zufrieden. Die Fachkompetenz des Beraters war beeindruckend und er hat mir alle Schritte geduldig erklärt. Dank der Unterstützung hat alles schnell und unkompliziert geklappt. Es ist toll zu wissen, dass ich nun umweltfreundliche Energie nutze!

Bürgi Haustechnik AG – Your Partner for Heating, Sanitary & Heat Pumps in Limmattal, Zurich & Aargau For more than 30 years, Bürgi Haustechnik AG in Oberengstringen has been the trusted partner for modern, energy-efficient building technology. From heating systems and sanitary installations to state-of-the-art heat pumps and innovative solutions like Quooker , our team provides expertise, quality, and personal service. As an official Geberit Partner , we deliver long-lasting products and smart technologies. Heating – Efficient & Reliable • Installation, maintenance & repair of heating systems • Conversion to energy-efficient heating • Consulting on renewable energies and subsidies Heat Pumps – Future-proof energy solutions • Low operating costs • Government incentives available • Climate-friendly and sustainable heating Sanitary – Comfort & Quality • Bathroom design & renovation • Reliable drinking water installations • Professional repairs and maintenance Quooker – Boiling Water on Demand • 100 °C water directly from the tap • Safe, practical, and energy-saving Geberit Partner – Swiss Quality for Your Home • Durable sanitary solutions • Innovation combined with modern design