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Due to the existing old building stock in the UNECE region and the need for retrofitting it, this report is more focused on the retrofit of the existing building stock compared to the new constructions and include more case studies related to the residential sector.
The selected best practices have been organized in different sections: legislative and regulatory framework; management of multi-family housing stock; awareness raising and behavior change; technical measures; and financial mechanisms. Collected best practices include, but are not limited to, thermal performance of buildings and their components, construction materials and heating, ventilation and air conditioning (HVAC) systems, with examples on standards and technologies for energy efficiency in buildings.
The analysis of the collected case studies shows overall positive trends in energy efficiency in the building sector in all the identified sub-regions. Even countries, which traditionally have low internal energy prices, have significantly increased mandatory energy efficiency requirements, especially for the newly constructed buildings.