The core activity of Save NRJ is the optimization of energy efficiency in buildings. To this end, the company offers various services, including: Energy audits of buildings, Planning and consulting for new buildings and renovations, Certification of buildings according to Minergie and CECB standards, Application for subsidies for energy-efficient buildings, Conducting Blower-Door tests and thermographic inspections, Acoustic investigations and consulting, Consulting and planning for the installation of renewable energy systems. The company supports private individuals, companies, municipalities and institutions in optimizing their buildings and helps them reduce their energy costs and improve their environmental balance.