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.

J'ai reçu une écoute attentive du chef de projet qui a mener à bien les travaux dans un délai très court

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.

B&F Construction is a dynamic company based in Saxon, specializing in construction, renovation, and building transformation. With strong expertise and a quality-driven approach, the company supports its clients at every stage of their project, from planning to completion. Whether for new builds, full renovations, or masonry work, B&F Construction is committed to delivering tailored solutions adapted to each client’s needs and budget. Its skilled team ensures careful project management, with constant attention to detail, deadlines, and customer satisfaction. Committed to a professional and modern approach, B&F Construction prioritizes high-quality materials and sustainable techniques to guarantee durable, reliable, and aesthetically pleasing results. 👉 With B&F Construction, your projects come to life with confidence.