Since 2012, Petesa GmbH has stood for expertise, reliability, and innovation in the fields of solar technology, electrical engineering, and construction. Based in Basel, we implement modern, sustainable energy solutions and pioneering construction projects throughout the region. Our focus is on customized solar systems that not only reduce costs but also protect the environment and increase your independence from electricity providers. From detailed planning to professional installation and commissioning, we guide you step by step on your path to a personal energy transition. Thanks to battery storage and intelligent control solutions, you get the most out of your photovoltaic system. We also offer professional electrical engineering services for private and commercial clients – safe, efficient, and future-proof. Whether it’s new construction, renovation, or remodeling, our experienced electricians tackle any challenge. In the construction sector, we support you with innovative concepts and skilled craftsmanship. We modernize living spaces, increase the value of your property, and ensure maximum living comfort. Your benefits with Petesa GmbH: • Reduction of electricity costs and CO₂ emissions • Greater independence through energy storage • Take advantage of subsidies and feed-in tariffs • Increase in your property’s value • Personal advice and fast implementation Get convinced – receive your non-binding offer within just 48 hours.

We Deliver What Others Don’t Even Promise AlpenEnergie is your trusted partner for innovative and sustainable energy solutions. We rely on cutting-edge technologies to provide you with customized photovoltaic and storage systems. With a dedicated team and strong regional presence, we guide you on your path to an independent and eco-friendly energy future. Your Project in the Best Hands Our mission is to make clean, sustainable energy accessible to everyone and actively contribute to the energy transition. We believe in a future where every property generates its own energy, reducing dependency on fossil fuels. Our team stands for quality, expertise, and sustainable solutions. Start Your Future with Solar Energy! Get a free, no-obligation consultation for your future energy system. Request Your Offer Now!

Ich bin sehr zufrieden; schnell, effizient, gute Qualität und preisgünstig !

vor 3 Minuten-Bearbeiten Einlegen und Anschluss einer Wärmematte/Bodenheizung mit Thermostat. Obwohl eine kleinere Sache in bestehendem Raum wurde eine sehr kompetente und sorgfältige Arbeit zu unserer vollen Zufriedenheit erledigt. Die Erfassung und Profi-Behebung unvorhergesehener Montageprobleme im Altbau soll speziell erwähnt werden. Danke sehr und gerne wieder.

Gruner All according to plan. Gruner is a leading engineering, design and planning consultancy in the construction industry. In the business areas buildings, infrastructure, and energy, we support our private and public clients in all project phases from strategic planning through construction to commissioning and management of buildings and infrastructure. In doing so, we combine services from a comprehensive range of competencies such as structural design, geotechnics, general planning, building services, energy production and distribution, road and rail construction, civil engineering, environment, safety, security, and spatial planning in order to offer optimal and sustainable solutions. With more than 1.100 highly qualified employees in over 30 offices in Switzerland, Germany, Austria, Serbia, Georgia, Turkey and Tajikistan, as well as at countless project locations worldwide, we are always close to the customer and where development and construction are taking place. Thanks to interdisciplinary cooperation, we set new standards in engineering methods and the application of digital processes. We are constantly evolving in step with our customers. Gruner is an independent family business headquartered in Basel/Switzerland and we are proud that we have been providing innovation and inspiration since 1862.

Für unser Einfamilienhaus liessen wir schon viele Arbeiten durch die Firma Stocker AG ausführen. Unter anderem den Bad Umbau, den Einbau einer hochwertigen Entkalkungsanlage und Arbeiten im Bereich Wasserversorgung und Abwasser. Wir sind sehr zufrieden mit den ausgeführten Arbeiten und schätzen die konstruktive Zusammenarbeit mit der Firma Stocker AG sehr. Die Mitarbeitenden der Firma haben alle ein sehr freundliches Auftreten und sind auch in bewohnten Liegenschaften sehr rücksichtsvoll. Die Arbeiten werden fachlich korrekt und speditiv ausgeführt. Wir schätzen die hohe Verfügbarkeit und Zuverlässigkeit. Die Arbeiten werden immer sehr zeitnah ausgeführt. Wir können diese Firma wärmstens weiterempfehlen und werden sie auch in Zukunft berücksichtigen. Ferdinand und Sonja Frey Grellingen

Wir sind sehr zufrieden mit der Dämmung unserer Heizung und Sanitären- Anlagen. Freundliche und Motivierte Mitarbeiter. Empfehlenswert

We offer comprehensive services in the areas of sanitary installations, heating, renewable energies, garden irrigation, and solar systems for hot water in Riehen, Basel, and the surrounding areas. Hans Heimgartner AG is your competent partner for everything related to water and warmth, both inside the house and in the garden. Our Expertise and Service Offerings Hans Heimgartner AG is your reliable partner in five areas in Riehen, Basel, and the surrounding areas: Sanitary Installations We take care of all aspects of water supply within your house or apartment. Whether it's the bathroom, WC, kitchen, or laundry room – we ensure everything runs smoothly. Renewable Energies Many buildings are facing the modernization of their heating systems. Solutions with renewable energies are particularly recommended today. Get all the important information about your options and long-term cost savings from us. Heating A functioning heating system is essential in winter. To ensure your home is always warm and cozy, we offer comprehensive advice and the installation of reliable heating systems. Solar Systems Solar energy is a clean and cost-effective method for hot water production. As experts in solar systems, we install your solar collectors and provide advisory support. Garden Irrigation A beautiful garden needs soil, air, light, water, and your care. With a garden irrigation system from Hans Heimgartner AG, you can rely on optimal watering. We handle planning, installation, and maintenance for you.