A company specializing in the construction of photovoltaic solar installations. We also install photovoltaic batteries, photovoltaic backup and charging stations/ev chargers for your electric cars. With the solar panel cleaning service, we take care of your installation afterwards.

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.