Large-scale ‘sand battery’ goes online in Finland

Re:Large-scale ‘sand battery’ goes online in Finland by Symbiote on Thursday July 07, 2022 @03:16AM (#32010844)

I have seen this several times in 1950s/1960s eastern bloc apartments.

I was only visiting, so I don't know if it was the original design, or if the valves have jammed.

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Re:Large-scale ‘sand battery’ goes online in Finland by konschubert on Thursday July 07, 2022 @04:33AM (#32011335)

This was standard in the Sowjet Union. If you think it’s too warm, you open the window.

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