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.

At Home-energetic Sàrl, we are more than just an engineering office – we are your trusted energy partner. Founded in 2023 and based in Daillens, our company supports individuals, professionals, and communities in their energy transition, by offering practical, personalized, and sustainable solutions. Our mission is clear: reduce the energy footprint of buildings while improving their comfort and value. With advanced expertise, modern diagnostic tools, and thorough knowledge of available subsidies, we simplify your procedures and maximize your savings. The company is led by Danick Lecomte, a certified CECB expert and Owner’s Representative (AMO), graduate of HES-SO Valais-Wallis. With several years of experience in building energy systems, he is supported by Juliane Lecomte, the company’s strategic co-pilot, in charge of client relations and administration. A small but visionary team, focused firmly on the future. Our commitments We place at the core of our mission: Technical excellence: accurate diagnostics, expert advice, and thorough support. Proximity: a single point of contact, attentive and responsive to your needs. Environmental care: every intervention aims to reduce your home’s ecological impact. Transparency: clear pricing, simplified processes, no jargon. Our key services 🔧 CECB & CECB+ Get your Cantonal Energy Certificate with or without advisory report. An essential evaluation to understand your property’s energy performance, enhance its value, or access specific subsidies. 🌡️ Full thermal assessment We analyze heat loss, identify thermal bridges, and provide tailored recommendations to improve comfort and reduce your energy bills. 📸 Infrared thermography Using a professional thermal imaging camera, we accurately detect insulation or sealing faults (walls, roofs, windows) – even those invisible to the naked eye. 💼 Subsidy support We prepare the necessary files for the Building Program and guide you through the procedures in the cantons (Vaud, Geneva, Fribourg, Valais, etc.). Why choose us? ✅ Certified expertise: all services are carried out by an accredited CECB professional. ✅ Personalized approach: each building is unique – so is our support. ✅ Time-saving: focus on your project, we handle the paperwork. ✅ Guaranteed efficiency: our advice delivers measurable short- and long-term savings. ✅ Speed & flexibility: quick appointments, adapted to your schedule. Service areas We mainly operate in the cantons of Vaud, Fribourg, Geneva, Neuchâtel, and Valais, with interventions possible throughout French-speaking Switzerland. Lausanne, Genève, Neuchâtel, Fribourg, Sion, Delémont, Nyon, Montreux, Vevey, Yverdon-les-Bains, Morges, Bulle, Payerne, La Chaux-de-Fonds, Martigny, Renens, Carouge, Le Locle, Écublens, Aigle, Prilly, Gland, Rolle, Villars-sur-Glâne, Châtel-St-Denis, Onex, Vernier, Lancy, Meyrin, Thônex, Plan-les-Ouates, Versoix, Crissier, Saint-Imier, Peseux, Cortaillod, Romont, Sierre, Susten, Saxon, Fully, Conthey, Monthey, Collombey, Orbe, Chavannes-près-Renens, Yverdon-les-Bains, Cugy, Grandson, Echallens, Coppet, Saint-Prex, Lutry, Chexbres, Epalinges, Le Mont-sur-Lausanne, Savigny, Lausanne-Ouchy, Lausanne-Chailly, Lausanne-Flon, Lausanne-Bourdonnette, Lausanne-Belmont, Clarens, Blonay, Veytaux, Avenches, Estavayer, Bex, Château-d’Oex, Vallorbe, Sainte-Croix, Cossonay, Echichens, Apples, Tolochenaz, Préverenges, Saint-Sulpice (VD), Mex, Bussigny, Daillens, Gland, Vich, Founex, Commugny, Tannay, Chavannes-de-Bogis, Nyon, Eysins, Borex, Gingins, Trélex, Genolier, Begnins, Givrins, Luins, Vinzel, Rolle, Mont-sur-Rolle, Tartegnin, Féchy, Perroy, Allaman, Aubonne, Etoy, Buchillon, Saint-Livres, Lavigny, Bière, L’Isle, L’Auberson, Yvonand, Bonvillars, Mutrux, Provence, Concise, Corcelles-près-Concise, Gorgier, Saint-Blaise, Auvernier, Colombier (NE), Bôle, Bevaix, Travers, Fleurier, Couvet, Môtiers, Buttes, Le Cerneux-Péquignot, Les Ponts-de-Martel, La Brévine, Dombresson, Val-de-Travers, Val-de-Ruz, Le Landeron, Cressier, Cornaux, Marin-Epagnier, Cormondrèche, Rochefort, Roche, Massongex, Evionnaz, Vouvry, Vionnaz, Morgins, Troistorrents, Champéry, Saillon, Riddes, Ardon, Chamoson, Leytron, Anzère, Grimisuat, Ayent, Savièse, Sierre, Chalais, Grône, Sion, Vex, Hérémence, Evolène, Veysonnaz, Nendaz, Saint-Martin, Vernamiège, Grimentz, Zinal, Saint-Luc, Chandolin, Montana, Crans-Montana, Lens, Arbaz, Icogne, Venthône, Miège, Chermignon, Salvan, Finhaut, Trient, Orsières, Champex, Liddes, Bourg-St-Pierre.

BETELEC SA – Engineering, Design, and Project Management in Electrical Installations BETELEC SA is a company specializing in engineering, design, and project management in the field of electrical installations. As experts in energy solutions and building security, we support our clients throughout their projects, from initial studies to implementation, including project supervision and infrastructure operation. As leaders in electrical engineering consulting, we are committed to delivering high-performance, innovative, and sustainable solutions tailored to current and future requirements. Our Areas of Expertise: • Engineering and consulting • Project design and management • Energy solutions and building security BETELEC SA operates five branches, all located in the Romandy region. Our headquarters has been in Lausanne since 1976. The four other branches are in Fribourg (since 2002), Neuchâtel (since 2002), Geneva (since 2005), and Martigny (since 2012). We have been ISO 9001 “Quality” certified since June 3, 1998. BETELEC SA also integrates environmental considerations for sustainable development, earning the ISO 14001 certification on December 15, 2002. Rely on our expertise for tailored support and optimized installations.

We construct and renovate staircases , interior and exterior woodwork , furniture , kitchens , etc. All types of wood , native or exotic , can be used. Founded in 1912 in the village of Bruson , today Vaudan Atelier Bois small workshop has become a real joinery and cabinet-making concern employing around 15 workers. With extensive experience and a faultless reputation, we are always at your service, offering the best advice only after a careful study of every one of your requirements. Our workshop is also up-to-date with the latest technology. The systems and tools that we use are regularly checked against current safety standards as well as energy standards . Aware of the environment , we recycle wood shavings and convert them into wood pellets . So, to heat your home, you can stock up on pellets from us directly.