1. Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions. An EU Strategy on Heating and Cooling, SWD,2016
2. Towards Nearly Zero Energy Buildings in Europe: A Focus on Retrofit in Non-Residential Buildings
3. Europe’s Buildings under the—A Country-by-Country Review of the Energy Performance of Buildings,2011
4. Nearly Zero Energy Building Strategy 2020—Strategies for a Nearly Zero-Energy Building Market Transition in the European Unionhttp://zebra2020.eu/website/wp-content/uploads/2014/08/ZEBRA2020_Strategies-for-nZEB_07_LQ_single-pages-1.pdf
5. Energy Efficiency Trends and Policies in the Household and Tertiary Sectors—An Analysis Based on the ODYSSEE and MURE Databaseshttp://www.odyssee-mure.eu/publications/br/energy-efficiency-in-buildings.html