EW Wald AG is your local partner for power supply, electrical installations, and modern energy services in Wald ZH and the surrounding area. The company offers comprehensive solutions in renewable energy, building technology, e-mobility, photovoltaics, and smart home – competent, future-oriented, and customer-focused.

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