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.

Ackermann et Fils S.A., located in Denges in the canton of Vaud, Switzerland, is a company specializing in sanitary installations and heating systems. With more than 60 years of experience, the company supports private clients, municipalities, and professionals in the planning, installation, renovation, and maintenance of plumbing and heating installations. Its expertise covers drinking water networks, sanitary systems, heating solutions, and modern technical installations designed to ensure efficiency, durability, and comfort. Thanks to a skilled and reliable team, Ackermann et Fils S.A. delivers high-quality services and tailored technical advice for construction and renovation projects throughout the Vaud region.