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

BILLING OF ELECTRICAL ENERGY FROM CHARGING STATIONS FOR ELECTRIC VEHICLES Our Energy billing service stands for transparency and efficiency in energy billing. We offer precise and uncomplicated billing of energy consumption for both private and commercial customers. Our advanced billing systems ensure that you always have a clear overview of your energy costs. With Arfos Mobility you get a reliable and user-friendly solution for energy management, optimized for today's requirements for sustainable energy supply and electromobility. ZEV - MEMBERSHIP FOR OWN CONSUMPTION" FOR ARFOS MOBILITY Our ZEV service enables communities to use their energy efficiently and sustainably. We offer tailor-made solutions for self-consumption associations that enable locally generated energy to be shared and billed within the community. By optimizing the use of renewable energy sources, we contribute to the energy transition and support you in becoming more independent of traditional energy sources. With Arfos Mobility, energy community becomes a practical and economical reality. CHARGING STATION LEASING CHARGING STATION RENTAL Benefit from our charging station leasing option to get started with electromobility without a high initial investment. We offer flexible leasing models for charging stations, tailored to your individual needs and locations. Our solutions not only include the provision of charging stations, but also their maintenance and service. This means you can concentrate on your core business while we ensure that your charging stations are always operational. With Arfos Mobility, electromobility becomes accessible and convenient for everyone. SOLAR OPTIMIZATION FROM THE PROFESSIONAL Our solar optimization service maximizes the efficiency of your solar systems and enables you to make optimal use of renewable energy. We offer advanced control solutions that improve the performance of your solar systems and maximize your self-consumption. By adapting to flexible tariff models, you can reduce your energy costs while contributing to sustainability. With Arfos Mobility you receive a tailor-made solution to fully exploit the advantages of your solar systems and optimize your energy balance. Together with our partners, we can already react to time-controlled tariffs, control your system based on them and precisely implement the billing of energy costs. Thanks to the product we use, we are also able to control your heating, the charging station or any other consumer. Ask us about a solution that is right for you.

Vier Plus Haustechnik GmbH in Möhlin provides a wide range of services in heating, sanitary, and building technology. Focused on sustainability and efficiency, we assist you with the planning, installation, and maintenance of your building systems. Our experienced specialists offer personalized advice and deliver high-quality solutions tailored to your needs. From energy-efficient heating systems to modern sanitary installations and maintenance of existing systems, we stand for quality and reliability. Our mission is to ensure maximum comfort and functionality for your home or business. Contact us in Möhlin to successfully complete your projects.

Sehr geehrter Herr Vier Nochmals herzlichen Dank für Ihre flotte und zuverlässige Arbeit. In der heutigen Zeit ist es sehr selten, solch eine kompetente Beratung zu erhalten, von der Auftragsannahme, der Ausführung bis hin zur Abrechnung hat alles reibungslos funktioniert. Ich empfehle Sie wärmstens, eine solche Handwerker-Arbeit findet man heute leider selten. Gerne wieder! Gruss R.

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

G. Stierli AG – Your Expert for Sanitary, Plumbing, and Heating Services in Dietikon, Limmattal, Zurich, and Aargau G. Stierli AG is your reliable partner for sanitary work , heating solutions , and plumbing services in the regions of Dietikon , Limmattal , Zurich , and Aargau . Since its inception, brothers Richard and Roland Stierli have been actively involved in the company, leading a dedicated team of professionals. With their extensive experience, they successfully execute diverse and demanding projects. Our strengths lie in our high level of customer service , comprehensive expertise , and punctuality – qualities that are highly valued by our clients and foster long-term customer loyalty. As an established SME , we offer professional services in the following areas: • Sanitary Installation and Repairs • Heating Construction and Maintenance • Plumbing Services • Repair Services for Sanitary and Heating Systems We are excited to support you in all areas of sanitary technology , heating systems , and plumbing work . Trust in our experience and expertise for your next project.

A plumbing emergency can happen at any time – whether it’s a burst pipe, a clogged toilet, or water damage. Our 24-hour emergency plumbing service is available around the clock to provide fast and professional assistance. Whether you’re in Aargau , Basel , Baselland , or Zurich – we guarantee quick response times and efficient solutions for all your plumbing issues . Our experienced plumbing specialists handle drain blockages , repair burst pipes , and take care of sewer cleaning and water damage . Rely on our emergency plumbing service – anytime and near you.