Historically, there have been cases where a single large steam-heat or hot water system served multiple buildings on a corporate or university campus, or even several ciy blocks (I think that was in New York). No reason you couldn’t do the same with a heat pump.
I studied at Rensselaer Polytechnic in New York and they have a campus-wide steam system. There are tunnels below the ground connecting every building. It is somewhat common to see in that region.
I wonder if this tech can be integrated with heat pumps.
Like imagine every building on the block hooked up to a single massive multi-split HVAC system with bidirectional heat pumps and an outdoor unit the size of a house. Sounds pretty solarpunk to me.
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