1. Directive 2010/31/EU on the energy performance of buildings;Off. J. Eur. Union,2010
2. Directive 2012/27/EU on energy efficiency, amending directives 2009/125/EC and 2010/30/EU and repealing Directives 2004/8/EC and 2006/32/EC;Off. J. Eur. Union,2012
3. STR 2.01.02:2016, Design and Certification of Energy Performance of Buildings. Zin., 2016, D1-754 (in Lithuanian).
4. Energy balance of a low energy house;Džiugaitė-Tumėnienė;J. Civ. Eng. Manag.,2012