1. ČSN 73 0540, Thermal Protection of Buildings – Part 3: Design value quantities. Prague: Czech Office for Standards, Metrology and Testing (2005).
2. ČSN EN 673, Glass in building – Determination of thermal transmittance (U value) – Calculation method, Prague: Czech Office for Standards, Metrology and Testing (2011).
3. ČSN EN ISO 10077-2, Thermal performance of windows, doors and shutters. Calculation of thermal transmittance. Numerical method for frames, Prague: Czech Office for Standards, Metrology and Testing (2017).
4. Promoting renewable energy sources for heating and cooling in EU-27 countries
5. A field investigation on indoor thermal environment and its associated energy use in three climatic regions in Nepal