Using heat from underground parking lots to warm apartments

https://actu.epfl.ch/news/using-heat-from-underground-parking-lots-to-warm-a/

"able to supply up to a third of the energy needed to heat the 60-odd apartments... consists of ten blue-and-white panels measuring 1.3m x 0.7m and made of a metal... only catch is that the concrete walls on which the panels are installed must be in direct contact with the soil so that the panels can capture the geothermal energy... A heat pump then circulates this energy throughout the building above, providing a constant supply all year long... Also useful for train and subway stations and tunnels"

Related:

There's an enormous geothermal pool under the Latrobe Valley that can provide cheap, clean energy

https://techxplore.com/news/2021-12-enormous-geothermal-pool-latrobe-valley.html?utm_source=nwletter&utm_medium=email&utm_campaign=daily-nwletter

A renewable energy-based bi-directional heat trade system

https://techxplore.com/news/2023-03-renewable-energy-based-bi-directional.html