this post was submitted on 28 Jul 2025
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the part of scandinavia north of the arctic circle can get crazy hot in the summer, because the sun doesn't set. i think norway has a cooler climate than sweden overall due to the scandes, but when i lived up there my 60s concrete apartment building started heating up so much due to the midnight sun that inside temps didn't go below 29 degrees for like half of august. the walls were literally radiating heat.
It isn’t just that, there’s also a massive ocean current that brings warm, tropical water up there. It’s also why Atlantic Europe is so warm despite being generally as north or more than frickin’ Montréal where last winter we got 70-80cm of snow in 48hrs.
This is still a massive problem, of course.
well norway is generally cold despite that due to the humidity wicking away the heat. inland is a lot hotter.
Just wait a few years, that warm current will be disrupted and it'll cool back off. /s
This would be great to exploit for some kind of reservoir-based heating and cooling system.
we do have those for district heating, but they're usually composed of water. the finns are experimenting with sand too. thing is, +/- 30 degrees isn't much to work with. all the heat battery systems i've seen that work are running in the hundreds of degrees. well, except the water ones of course, but even those run close to boiling point.