the following actual thermal characteristics of the building including its internal partitions:
thermal capacity;
insulation;
passive heating;
cooling elements; and
thermal bridges;
heating installation and hot water supply, including their insulation characteristics;
air-conditioning installations;
natural and mechanical ventilation which may include air-tightness;
built-in lighting installation (mainly in the non-residential sector);
the design, positioning and orientation of the building, including outdoor climate;
passive solar systems and solar protection;
indoor climatic conditions, including the designed indoor climate;
internal loads.