1. K. Pollier, L. Gynther, B. Lapillonne, Energy Efficiency Trends and Policies in the Household and Tertiary Sectors, 2015.
2. European Environment Agency, Indicator Assessment - Data and Maps - Final Energy Consumption by Sector and Fuel, 2015. Available at: 〈http://www.eea.europa.eu/data-and-maps/indicators/final-energy-consumption-by-sector-9/assessment〉.
3. European Environment Agency, Indicator Assessment - Data and Maps - Progress on Energy Efficiency in Europe, 2016. Available at: 〈http://www.eea.europa.eu/data-and-maps/indicators/progress-on-energy-efficiency-in-europe-2/assessment-1〉.
4. Directive 2010/31/EU of the European Parliament and of the Council of 19 May 2010 on the Energy Performance of Buildings.
5. Directive 2012/27/EU of the European Parliament and of the Council of 25 October 2012 on Energy Efficiency.