The core activity of H2 Engineering SA is the provision of engineering services in the field of building technology and renewable energy. Specifically, this includes: Electrical engineering: planning and installation of electrical systems, including photovoltaic systems; Climate and ventilation technology: planning and installation of heating, ventilation and air conditioning systems, including geothermal probes; Sanitary technology: planning and installation of sanitary systems, including water and wastewater systems; Building physics: energy audits, thermographic investigations and consulting for the planning of energy-efficient buildings; Fire protection: planning and installation of fire protection systems. The company offers its services for new buildings, renovations and conversions, and supports customers in the implementation of projects that integrate renewable energy and energy-efficient solutions.