In cities it actually does have an effect, especially in crowded ones. Millions of people in a relatively small area blasting AC “exhaust” out of their windows heat up the crammed air and in turn the buildings, streets, etc. which increases the heat island effect of cities.
Huh guess so. But still 2.4 degrees ain’t a whole lot (well except on a global scale lol). Thankfully in this situation doesnt really cause additional global warming problems.
see I’ve been wondering if a heat pump system could heat an oven hot enough to bake bread. use environmental heat to manufacture Wonder Bread or something.
In cities it actually does have an effect, especially in crowded ones. Millions of people in a relatively small area blasting AC “exhaust” out of their windows heat up the crammed air and in turn the buildings, streets, etc. which increases the heat island effect of cities.
Granted, it’s not a huge effect, but it’s measurable. First source I could find: https://www.euronews.com/green/2023/08/30/fact-check-is-air-conditioning-making-cities-hotter
Huh guess so. But still 2.4 degrees ain’t a whole lot (well except on a global scale lol). Thankfully in this situation doesnt really cause additional global warming problems.
Cities are already about 5C hotter than the surrounding countryside. Adding this increase on top, means 7.5C.
4OC in the countryside is already bad, 47,5C in the city is deadly for a lot of people.
I think you underestimate, how deadly heat can be: https://en.m.wikipedia.org/wiki/Wet-bulb_temperature
Wouldn’t those 2.5C already be included in cities being 5c warmer…?
see I’ve been wondering if a heat pump system could heat an oven hot enough to bake bread. use environmental heat to manufacture Wonder Bread or something.
I don’t see why it shouldn’t be able to. You might need concentric shells depending on the power of the heat pump.
I don’t see either but I know you can’t. Otherwise we would have an infinite energy glitch
I don’t see how? Using heat pumps to concentrate heat doesn’t seem like a violation of any thermodynamic laws?
Heat pumps are 500% efficient. Put a steam engine at the end, efficient at 30%. You just got free energy
They don’t continue to be 500% efficient as you fill their downstream side with heat.