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 .

An ISO 9001 and 14001 certified company at your service. Multiple services - tailor-made solutions. Harsch is the right partner for you. • Fine art transport & storage • Swiss & international moves • Office relocation • Records management