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.

INNOVATION & SUSTAINABILITY MEETS ELEGANCE Experience plumbing and roofing of the new era. Experience now OUR SERVICE Repair Service Remodeling & Planning Bathroom Remodeling Drain Cleaning Boiler Descaling Roofing Flat Roof Roof Service Customer Service Maintenance & Inspection Energy Consulting Rainwater harvesting Solar Technology Green Roofing Thermal Insulation Façade Renovation Chimney Repair Burglar protection Turnkey Construction Consulting & Planning.

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.

Vor einigen Wochen habe ich mich für den Service eines Solartechnik-Anbieters entschieden und bin unglaublich zufrieden. Die Fachkompetenz des Beraters war beeindruckend und er hat mir alle Schritte geduldig erklärt. Dank der Unterstützung hat alles schnell und unkompliziert geklappt. Es ist toll zu wissen, dass ich nun umweltfreundliche Energie nutze!

Drees & Sommer Switzerland is a consulting company providing a single source of consultation and implementation services for the real estate, infrastructure and industrial markets. The company delivers sustainable, innovative, and economically viable solutions that meet each client’s unique needs. Our almost 250 employees in Zurich, Basel and Lausanne have been supporting clients from a wide range of sectors since 2008. Drees & Sommer Switzerland is part of the Drees & Sommer Group, which was Founded in 1970 and long recognized as a pioneer in driving sustainability and digitization. Today Drees & Sommer employs more than 6,000 people at 63 offices.