Ecological cooling system. This pipe is part of a system to cool and warm air. Air from outside is passed underground and into the house,for cool air in summer and warm air in winter. The pipe extends two metres underground,and is thirty metres long. In summer,a 5-8 degrees Celsius difference in temperature can be obtained,and a 1-2 degrees Celsius difference in winter. Photographed in France | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Martinet, Anthony / Look At Sciences |
Bildgröße: | 3450 px × 5175 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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