Since 2014 , Delta T Général Sàrl has been supporting individuals and businesses across French-speaking Switzerland with expertise in heating , air conditioning , ventilation , and sanitary installations . Based in Lonay (Route de Denges 25) , our company provides efficient, sustainable, and tailor-made comfort solutions. Efficient and Eco-Friendly Solutions Our priority is to ensure your thermal comfort while respecting the environment. We design and install modern, energy-efficient systems such as: • Heat pumps and underfloor heating • High-performance air conditioning and ventilation • Solar panels (thermal and photovoltaic) • Complete sanitary installations Each system is designed to deliver maximum energy performance and long-term reliability. Comprehensive & Reliable Service Our team stands out for its responsiveness , availability , and personalized follow-up . We provide: • Maintenance and servicing • Fast troubleshooting • Tailored advice for renovations or new constructions All quotes are free, transparent, and adapted to your project. Our Philosophy “Quality is defined by proximity, listening, and respect.” At Delta T Général Sàrl, every project is built on trust and professional excellence . We focus on delivering innovative, reliable, and environmentally friendly solutions.

Swiss family company since 1880, Hauswirth Bursins SA supports private clients, businesses and public institutions with sanitary installations, bathroom renovations and modern heating systems. With more than 140 years of experience and six generations of expertise, the company provides reliable, durable and energy-efficient solutions tailored to modern comfort needs. 🚿 Sanitary installations 🔥 Heating systems & heat pumps 🛁 Bathroom renovations 🚰 Water & gas connections 🛠️ Sanitary and heating repairs ♻️ Sustainable energy solutions Hauswirth Bursins SA handles complete renovations, fast repairs, sanitary maintenance, water heater replacement, drain unclogging and next-generation heating systems. The company also features a showroom and design office to support every project from start to finish with premium equipment and tailor-made solutions. 🌱 Committed to sustainability, Hauswirth Bursins SA aims for carbon neutrality with eco-friendly equipment and electric vehicles. ✨ Since 1880, Hauswirth Bursins SA represents Swiss excellence in sanitary and heating solutions.

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.