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Media A close up of the thermal flu part, the glass is reflecting the iron. The sun heats the air inside the glass pulling less warmer air in and allowing hotter air to escape (hot air rises). This causes all the hot air in the kitchen cavity to be extracted.
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@lyse@lyse.isobeef.org I got the idea from the USA, they build them much larger and longer, a 4m thermal window, to remove hot air from their houses and cool them down over summer.