1. EN 410:1998 Glass in building – determination of luminous and solar characteristics of glazing; 1998.
2. EN 673:1998 Glass in building – determination of thermal transmittance (U value) calculation method; 1998.
3. PHPP passive house planning package; 2013.
4. EVS-EN ISO 13790:2008 Energy performance of buildings – calculation of energy use for space heating and cooling; 2008. p. 1–171. .
5. Directive 2010/31/EU of the European Parliament and of the Council of 19 May 2010 on the energy performance of buildings (2010) 1–23.