3 ms·
> the ground we're extracting heat from gets cold Not if you’re using deep drilled holes (100m+). You can run a heat pump of the differential indefinitely
by brtkdotse 4y ago
> the ground we're extracting heat from gets cold
Not if you’re using deep drilled holes (100m+). You can run a heat pump of the differential indefinitely
- oittaa 4y agoApartment buildings in Finland have these 100m to 200m drill holes for the heat loops since you can't run those horizontally to the neighbor's yard. A bonus benefit is that the core of Earth has to basically cool down before they run out of heat to extract.