winkapp t1_iv83e57 wrote on November 6, 2022 at 12:51 AM

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

It literally says what you asked for.

> Another way of stating this is that it takes less energy to cool down an interior space by one degree than to heat it up by one degree. This is the case, because (in layman’s terms) it takes less energy to transfer heat (air conditioners) than to generate heat (furnaces and boilers).[…]

sauprankul t1_iv83j0t wrote on November 6, 2022 at 12:52 AM

That's an extrapolation that whoever wrote the article made.

Paper: https://iopscience.iop.org/article/10.1088/1748-9326/8/1/014050

I didn't see it in the paper it cited. Show me a published paper that says that.

EDIT;

actually, you're probably right. It looks like those might be quotes from the paper. My bad