runswithcoyotes t1_iv6d9r7 wrote
Reply to comment by ageispolispura 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
> Wouldn't it make outdoor temps higher?
That’s how A/Cs work today.. except they consume electricity and produce additional mechanical heat.
Think of this as a way to passively create a cooler bubble within a hot climate by creating two areas of distinct average temperature. It’s not really adding anything to that climate, and the overall average is still the same.
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