The annual Set-Plan Conference brings together high-level speakers, policymakers, industry, researchers, academia and the general public, focusing on important energy-related topics. At the SET-Plan conference in Prague on November 9-10, IWG 5 will present its work results and goals. The working group will provide insight into the topic of energy efficiency in buildings and present outstanding regional, national or EU projects that implement the goals and topics of the IWG 5 Implementation Plan.