this post was submitted on 14 May 2026
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[–] boonhet@sopuli.xyz 3 points 5 hours ago

IIRC that's being done in some places because it takes care of two issues at once. But certainly not the majority of data centers.

On a scale several orders of magnitude smaller, it's also how car heating systems work. Waste engine heat is transferred to the heater core and then air is blown through it. Engine gets cooled, cabin gets heated.