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Lknate t1_iv7eh9k wrote

Reply to comment by sauprankul 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

I live in Florida and absolutely use this principle. Once I have to start having to run heat, I start cooking a bunch. I'm talking about baking bread, roasting pork butts, large stock pots of gumbo and running my antique tube radio all the time. During the summer I actually run the toaster oven and air fryer outside because they are so expensive to pay to heat and cool at the same time.

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