steve626
steve626 t1_iv7y4yz wrote
Reply to comment by space_monster 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
The glass reflects IR energy both ways. The windows are bouncing the heat back inside of the building too. Which is helpful in winter
steve626 t1_iv7xvje wrote
Reply to comment by bigdish101 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's a layer of silver nano particles.
steve626 t1_jeag7wu wrote
Reply to comment by [deleted] in Anyone have experience with these? by Different-Bunch-7618
I just sent a pair in. I had them for 10 years and the strap came out. They sent me a brand new pair.