Dario Widmer – Your Partner for Sanitary and Heating Services Looking for someone to take care of sanitary installations, heating systems, or boiler descaling? You have come to the right place. I work reliably, efficiently, and with years of experience. I also install modern heat pump boilers – environmentally friendly and supported by federal subsidies. Sanitary Services: • Descaling and softening systems (now also kalkboss) • Sanitary installations for new and renovated buildings • Complete bathroom renovations • Basement distribution systems • Solar systems for hot water • Small service tasks such as replacing faucets • General maintenance work Heating Services: From renovations to complete new installations – I am your experienced partner. Whether pellet and wood chip heating, modern oil and gas systems, or heat pumps – I provide everything from a single source. • New installations • Alternative systems (pellets, wood chips) • Oil and gas heating • Heat pumps • Boiler renovations • Replacing and bleeding radiators • Flushing and filling heating systems • Refuna district heating • Underfloor heating

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Electrical planning with passion. Our company accompanies you from the planning of complex technical systems and installations to commissioning. We are happy to pass on our expertise to you. In an all-round carefree package that guarantees quality. Our services related to building electrical engineering Are you looking for a competent partner in building electrical engineering? Whether new construction, conversion or renovation - we advise you individually and purposefully. We accompany you and your project from A to B and beyond. From the preliminary project to the tender to operation. Together with you we plan your project, monitor deadlines and budget. On request, we will be happy to take over the coordination of the specialist construction or the management of the building owner. We live electrical engineering - and understand planning, building and management as a holistic process. As an independent engineering office, we offer individual consulting and planning services for electrotechnical building equipment. Our offer is particularly suitable for builders, investors, general planners and architects in the following sectors: Chemistry, pharmaceuticals, biotechnology Banks, Insurance, Telecom, Services Private and public administrations industrial and commercial buildings data center What we do: high-voltage systems Medium voltage systems, transformer stations low-voltage distribution systems Emergency power supply systems, backup power systems and UPS systems substation control systems busbar and cable systems Power installations, installation systems Lighting installations, lighting controls low-voltage installations Audio and visual systems Room controls and bus systems Communication systems (image, data, voice) IT, WAN- LAN systems Security systems (fire, value protection and intrusion) Lightning protection and EMC Specialist site management for technical building equipment The TGA specialist construction management ensures that the process and building technology systems are implemented according to the specifications of the planner by the executing contractors and installers. To ensure the overall function, we carry out an integrated test. This enables us to show the interactions between the various trades, systems and system parts and to rectify any defects immediately. I