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ageispolispura t1_iv6efhw wrote

Reply to comment by dryguy 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

Thanks for the reply! appreciate it :) I understand the enthalpy exchange for AC units but wasn't sure if this was actually reflecting 'back to space' like it claimed or just reflecting it back outdoors. Even if it does just reflect back outdoors, what you explained makes a lot of sense.

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