A data center in Denmark gives away heat that data centers often waste. It runs water from the city's heating network through its cooling units and into heat pumps that raise it enough to fill the radiators of 11,000 homes

[u/_Dark_Wing]

https://scienceblog.com/m-a-data-center-in-denmark-gives-away-heat-that-data-centers-often-waste-it-runs-water-from-the-citys-heating-network-through-its-cooling-units-and-into-heat-pumps-that-raise-it-enou/