AGTAN SA in Granges-près-Marnand – The Swiss specialist in geothermal drilling With its headquarters in Granges-près-Marnand, a branch in Crans-Montana, AGTAN SA carries out geothermal drilling quickly and efficiently throughout French-speaking Switzerland. AGTAN SA has extensive experience in drilling from 0 to 300 meters. With our qualified drillers, we guarantee flawless execution in the cantons of Vaud, Fribourg, Neuchâtel, Jura, Geneva, and Valais, in compliance with SIA 384/6 standards. In addition to drilling, AGTAN SA also offers all services related to geothermal probes (supply and installation of collectors, connection and filling of probes, disposal of drilling sludge in accordance with cantonal regulations, etc.). Are you a professional or a private individual looking to install a geothermal heat pump to heat a house, a building, or an industrial hall? Contact AGTAN SA today and benefit from professional and personalized advice. AGTAN SA is a member of the Swiss Professional Association for Heat Pumps (GSP). Our team operates throughout French-speaking Switzerland, particularly in the following cities and regions: Vaud : Lausanne, Yverdon-les-Bains, Nyon, Montreux, Morges, Vevey, Renens, Aigle, Rolle, Payerne, Echallens Fribourg : Fribourg, Bulle, Romont, Estavayer-le-Lac, Marly, Villars-sur-Glâne Neuchâtel : Neuchâtel, La Chaux-de-Fonds, Le Locle, Val-de-Travers Jura : Delémont, Porrentruy, Saignelégier Geneva : Geneva, Meyrin, Vernier, Carouge, Lancy, Onex Valais : Sion, Sierre, Monthey, Martigny, Conthey, Brig We remain at your disposal for any information or a personalized quote.

Aetherys is an engineering and consulting firm specializing in heating, ventilation, air conditioning, and plumbing (HVAC&P) based in Martigny, Valais. The company assists homeowners, architects, developers, and contractors in the design and optimization of their technical systems throughout French-speaking Switzerland. Aetherys offers customized solutions for single-family homes, residential buildings, and administrative and industrial structures, integrating energy efficiency, sustainability, and user comfort. Each project is carefully analyzed to ensure reliable, cost-effective systems that comply with current standards. The firm is involved in all phases of the project, from feasibility studies and design to sizing, planning, and construction supervision. Aetherys places particular emphasis on the energy optimization of buildings through modern solutions such as heat pumps, solar energy, heat recovery, and high-performance ventilation systems. With over 15 years of experience in building technology, Aetherys possesses solid expertise in a wide range of projects, from single-family homes to luxury chalets in resort areas, as well as commercial buildings and public infrastructure. Based in Martigny, the company operates throughout the Valais region as well as in the Chablais and the Vaud Riviera, offering a responsive, results-oriented local approach. Aetherys positions itself as a trusted partner for all HVAC projects in French-speaking Switzerland, providing high-performance, sustainable solutions tailored to today’s building industry challenges.

GTS SA is a Swiss photovoltaic company operating throughout Switzerland , including Vaud , Geneva , Valais , Fribourg , Neuchâtel , Jura , Bern , Zurich and Central Switzerland . With more than 20 years of experience in solar technology , GTS SA supports businesses , public authorities and private clients in the design , installation and optimization of turnkey photovoltaic systems . As a leading solar energy expert in Switzerland , GTS SA has in-depth knowledge of Swiss energy regulations , cantonal requirements , solar subsidies and self-consumption models . Every solar installation in Switzerland is carefully engineered to ensure maximum solar power generation , long-term profitability and high-performance photovoltaic components . GTS SA develops turnkey photovoltaic power plants for industrial rooftops , commercial buildings , residential properties , private houses and agricultural facilities . Advanced solar engineering allows efficient energy self-consumption , grid feed-in and reduced electricity costs . The company also provides complete solar energy solutions , including solar battery storage , heat pumps combined with photovoltaics , solar carports , solar lighting systems , EV charging stations , solar water heaters and energy monitoring systems . GTS SA stands for quality , performance and sustainable renewable energy across Switzerland.

Gervas Wasser & Gas GmbH specializes in planning and executing sanitary and gas installations, bathroom and kitchen renovations, and offers comprehensive customer service for residential and commercial clients.