Chris Remington ( remington@beehaw.org ) MA to Technology · 1 month agoA 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-square11linkfedilinkarrow-up1104cross-posted to: futurology@futurology.todaynewsenergy@slrpnk.net
arrow-up1104external-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 ( remington@beehaw.org ) MA to Technology · 1 month agomessage-square11linkfedilinkcross-posted to: futurology@futurology.todaynewsenergy@slrpnk.net
minus-squareHerbGrower ( HerbGrower@slrpnk.net ) linkfedilinkarrow-up2·1 month ago0c water kept cool by a big ice tank. Traditional radiators wouldn’t work but there are options that do. High thermal mass of water too.
0c water kept cool by a big ice tank. Traditional radiators wouldn’t work but there are options that do. High thermal mass of water too.