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If Europe has started experiencing over 40°C heatwaves frequently, then this planet really is fucked
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this post was submitted on 06 Jul 2026
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We're gonna end up having to go with geothermal heat pumps instead of radiators trying to dump heat in +40C air. this guy modified a window unit and was surprised at how well it did. Results @49 minutes. We should also be tripling our insulation requirements to cover the next 50 to 100 years.
Just realize the hole he dug is probably the bare minimum to handle the heat load from the smallest window AC. It takes a lot of digging to cool a real AC unit. And European homes aren't known for have large yards.
You can dig straight down, and run the ground loop vertically, but it's surprisingly expensive to dig the hole. Like 15-40k expensive.
I gotta say I understand the cost. Dig a full size grave by hand some time. It's freakin exhausting. And sure, an excavator can do it in minutes, but that means you're paying for time on a very expensive machine.