Study of the energy certification of a multi-family block with 26 occupied flats located in Barcelona

This study is focused on the energy certification of a residential building. It consists on making the energy certification of a multi-family block (with 26 occupied flats) with four software: CE3X (energy certification will be taken of each apartment and building unit), CE3, Cerma and LIDER-CALENER (HULC). All of them are supplied by the Spanish Ministry of Industry. All the obtained results will be compared. Finally, several measures of energy saving measure will be proposed and evaluated from the economical point