| 摘要 |
The invention relates to a system of floor tiles, wherein each floor tile consists of a sandwich of a top layer (116) , a bottom layer (117) and spacers (118) forming a connection between the top layer and the bottom layer. Between the top layer and the bottom layer can be guided an airflow which can realize ventilation and heating of a building. The system further comprises connecting means for carrying an airflow between the top layer and the bottom layer, and means for generating the airflow. |
