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.

CVS AIRO is a company specialized in the study and installation of heating, ventilation, air conditioning, and sanitary systems (HVAC-S), both in renovations, conversions, and new constructions. We place strong emphasis on renewable energies, energy optimization, and audits of technical installations. Our services include the preparation of thermal assessments, CECB/CECB+ energy certificates, and the proposal of customized solutions to enhance the energy performance of buildings. With a team of qualified and passionate experts, CVS AIRO supports private clients, professionals, and public authorities with precision and dedication – from initial analysis to the full commissioning of installations. Our mission: to guarantee comfort, energy efficiency, sustainability, and full compliance with the latest applicable standards. We also provide maintenance services for heating, ventilation, air conditioning, and sanitary systems. One of our key strengths is that our staff has in-depth knowledge of today’s normative and technical requirements for building systems.

Company active in the heating sector for:- the implementation of heating networks in new and old buildings- maintenance of heating networks with or without a contract- troubleshooting installationsWe promote sustainable energy by working towards the development of eco-districts by executing remote pipeline networks for the distribution of heating and hot water. For this, we use an innovative product that facilitates implementation, which we are the only ones to provide in partnership with Plastitech.Specialized in troubleshooting and maintenance, we offer tailored advice and make our expertise available for the renovation of your building.