The report gives policy recommendations for countries willing to implement energy efficiency policies. It sets out four specific key recommendations regarding the building sector: (1) Improve the energy performance of buildings components and systems by implementing Minimum Energy Performance Standards (MEPS) and supply chain improvements; (2) Improve building energy performance by implementing Codes and MEPS, for existing buildings and set up specific norms for new buildings ; (3) Implement energy labels, certificates or disclosure of energy consumption for whole buildings and building components and systems; (4) Foster research and development for innovation in view of net-zero energy consumption in buildings.