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In Switzerland infomaniak built a data center under apartments and DC heat is used for heating. There are some videos about it.

Americans have trouble understanding something like that. We believe anything short of a 3bdrm house with a lawn and backyard is communism.

I'd love to live in a dense city. My office within waking distance. A Cafe in my apartment building, etc.

> I'd love to live in a dense city. My office within waking distance. A Cafe in my apartment building, etc.

Then move to one?

The US has district heating systems. The country is very big and varied, as much as people like to paint it as homogenous.

And district cooling.

When I lived on a chilling grid, my summer AC bill was around $80, while friends whose buildings weren't connected paid $200+.

Are they doing anything with that heat, or are those savings from the scale they're operating at?