winkapp
winkapp t1_iv83e57 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
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).[…]
winkapp t1_iv81p2e wrote
Reply to comment by AmberHeardsGrodyTurd 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 heat always needs to go back outside to create a comfortable living environment, now we use AC to do that which exacerbates the problem through the power used to run the AC.
The more AC you use, the hotter it gets and the more AC you use.
At least bouncing it back into the environment doesn't add heat.
winkapp t1_iv81a0z 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
>Heating is way more efficient than cooling,
While the rest of your reply makes sense, this is just completely wrong. Cooling is way more efficient than heating, by a difference of 3.5x.
winkapp t1_ivhsxj0 wrote
Reply to comment by AmberHeardsGrodyTurd 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
Again, you're completely wrong. According to the EPA,
> "Urban heat islands" occur when cities replace natural land cover with dense concentrations of pavement, buildings, and other surfaces that absorb and retain heat.
> Trees, green roofs, and vegetation can help reduce urban heat island effects by shading building surfaces, deflecting radiation from the sun, and releasing moisture into the atmosphere.
Reflecting radiation improves the urban heat island effect, rather than making it worse.
Absorption of heat is what makes it worse, aka what we are doing right now.