EFFICIENCE, Energy and Habitat Sàrl is your trusted expert in building energy efficiency , energy audits , building automation and building performance in Bussigny near Lausanne . Based in Western Lausanne , our company supports projects across Switzerland in the planning, management and energy optimisation of new constructions, renovations and sustainable buildings . We specialise in the energy optimisation of residential and commercial buildings , offering: • Energy audits in accordance with SIA standards (380/1, 2031) to accurately assess building performance • Thermal studies and certified eco-balance assessments , including CECB certification , to improve overall energy efficiency • Personalised energy consulting and client-side project support for the design and implementation of low-energy buildings (LEB) • Integration of intelligent building automation systems (KNX/EIB) to reduce energy consumption and enhance comfort Thanks to our holistic approach to energy efficiency , we support our clients at every stage of the project – from subsidy application preparation (Minergie, Building Programme) to technical coordination with architects, engineers and installers . Our team of engineers and building energy specialists focuses on sustainable, high-performance solutions compliant with Swiss energy standards , helping to reduce energy costs , lower CO₂ emissions and enhance the environmental performance of buildings . Trust EFFICIENCE, Energy and Habitat Sàrl for your sustainable building projects , certified energy audits , high-performance building automation systems and energy efficiency optimisation in Bussigny and throughout the Vaud region .

Switch to solar energy with Solaris System , your trusted partner for photovoltaic installations in French-speaking Switzerland. Specializing in custom solar systems , we provide tailored solutions for all types of buildings—single-family homes, apartment complexes, warehouses, or industrial facilities. Our expertise spans a wide range of products, including classic solar panels , facade solar panels , industrial solar panels , and fully customized solar panels . We also offer innovative solutions such as solar trees and solar urban furniture , designed to meet each client’s unique needs. By working with renowned European partners, we ensure high-quality products that are fully customizable in terms of color and shape. Our young and professional team guarantees a fast and reliable installation, with delivery times of less than ten days for standard panels. Choose energy independence and achieve significant savings thanks to electricity production and the ability to sell surplus energy back to the grid. With Solaris System, turn your infrastructure into a source of renewable energy and actively contribute to the energy transition. Get in touch with us today to discuss your project and receive a personalized quote. Together, let’s make your future shine with solar energy .

Based in Bussigny, Efficience Énergie & Habitat optimises the energy performance of your buildings: audits, subsidised advisory services, assessments, home automation and CECB. Energy efficiency in everyday life, in your construction or renovation projects. Energy efficiency in the building sector: a global challenge In the face of climate and energy challenges, energy efficiency in the building sector has become a priority. In Switzerland, the Energy 2050 programme aims to reduce consumption through sustainable construction and high-performance renovations. Through SIA standards (380/1, 2031, 2040) and certifications such as Minergie or the CECB, building professionals are encouraged to incorporate energy optimisation strategies right from the design stage. Efficience Énergie & Habitat puts its expertise at the service of your project, with an integrated approach based on best practices.

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.

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.

Magenta Eko in Crissier is a Swiss sustainable real estate company dedicated to improving building energy performance , environmental efficiency , and sustainable construction practices . Based in Crissier, Vaud , the company supports property owners and professionals in eco-friendly renovation , sustainable building design , and long-term asset optimization . As a multidisciplinary hub for sustainable construction , Magenta Eko provides services such as energy optimization of buildings , low-impact construction strategies , responsible deconstruction , carbon footprint reduction , and circular economy solutions for real estate projects. The sustainable materials library is a key resource, offering access to eco-materials , recycled construction products , bio-based materials , and innovative sustainable building solutions . It enables professionals to make informed decisions based on environmental impact , durability , and energy efficiency . Magenta Eko also delivers training programs in sustainable construction , workshops on green building , and awareness sessions on circular economy and eco-materials . These initiatives actively support the transition toward sustainable real estate development in Switzerland.

J’habite depuis plus de vingt ans dans un immeuble de la Caisse de pensions Migros. J’ai d’excellents contacts avec la régie. Leur personnel est agréable et compétent, toujours très réactif à mes demandes. À recommander !

VFF Electricité Sàrl is a company specializing in general electrical services, offering high-quality solutions for individuals, businesses, and industries in the Romandy region of Switzerland. With proven experience and a team of qualified electricians, we are committed to providing reliable, secure, and cutting-edge services. At VFF Electricité Sàrl, we offer a comprehensive range of electrical services, including: Residential and Commercial Electrical Installation : We carry out electrical installations (low current / high current) for new constructions as well as renovations. Our custom solutions ensure optimal energy efficiency and maximum safety. Electrical Troubleshooting : In the event of a power outage or electrical issue, our emergency team is available for quick and effective troubleshooting. Electrical Compliance (OIBT Inspection) : We check and bring existing installations up to standard to ensure compliance and safety. Home Automation System Installation : Enjoy the comfort of a smart home with our home automation solutions, allowing you to control lighting, heating, and security remotely. IT Network Installation : Design and installation of high-performance networks for offices and homes. Why Choose VFF Electricité Sàrl? Expertise and Experience : With many years of experience in the electrical field, our electricians are trained to handle projects of all sizes with precision and skill. Unmatched Customer Service : We are committed to providing exceptional customer service, responding quickly to your needs, and offering solutions tailored to your specific requirements. Quality and Safety : The safety of our customers is our priority. We use state-of-the-art equipment and strictly adhere to current safety standards. Free Quotes and Personalized Advice : Contact us for a free quote and receive expert advice on your electrical projects.