justlikemymetal t1_iv7gxc4 wrote
Reply to comment by Mr_krispi in Researchers designed a transparent window coating that could lower the temperature inside buildings, without expending a single watt of energy. This cooler may lead to an annual energy saving of up to 86.3 MJ/m² or 24 kWh/m² in hot climates by mossadnik
This is actually a bit different but is using the same basic idea as radiant sky cooling. I think the company that already sells this is called sky cooling. Different application but same concept. Let through ir radiation.
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