Chris Remington@beehaw.orgM to Technology@beehaw.org · 20 天前A Finnish town is heating itself with 2,000 tonnes of crushed rock: its giant “sand battery” can cover almost a month of heating demand and has cut district heating emissions by 70%www.cnbc.comexternal-linkmessage-square2fedilinkarrow-up112arrow-down10cross-posted to: [email protected][email protected][email protected]
arrow-up112arrow-down1external-linkA Finnish town is heating itself with 2,000 tonnes of crushed rock: its giant “sand battery” can cover almost a month of heating demand and has cut district heating emissions by 70%www.cnbc.comChris Remington@beehaw.orgM to Technology@beehaw.org · 20 天前message-square2fedilinkcross-posted to: [email protected][email protected][email protected]
minus-squareHobbitFoot @thelemmy.clublinkfedilinkEnglisharrow-up2·20 天前That’s a really great application. I wonder if a thermal battery could be used for both heating and cooling.
That’s a really great application. I wonder if a thermal battery could be used for both heating and cooling.