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Geothermal is even better but can be cost prohibitive. Unlike a boiler, geothermal wells don’t “wear out” and with a steady supply of ground heat, are even mor
by randombits0 3y ago
Geothermal is even better but can be cost prohibitive. Unlike a boiler, geothermal wells don’t “wear out” and with a steady supply of ground heat, are even more energy efficient.
- Angostura 3y agoI don't think your average London terraced house is going to be drilling 100m - 200m deep bore holes.
- the_sleaze9 3y agoYou could run a central line in the street, then connect to it like sewer and pull heat off of it that way. It would be interesting to check the average public water temp as well, as long as the delta is closer than outdoor ambient air it would be more efficient than heat pumps. You could potentially treat public water like some GCHP use water wells.
- vidanay 3y agoJust drill until you hit a Tube line. Plenty of excess heat available there.
- D13Fd 3y agoWe pushed hard for geothermal. But the quotes for the wells we needed were around $40,000-$75,000, and all of the installers seemed highly uncertain and preferred air-based units. So that's what we eventually went with.
- distances 3y agoThat's a wild price. I'm no expert on the topic, but a quick search results in price estimates in Finland for 15k€-25k€, and another source quotes for equipment 5k€-10k€, bore well 4k€-7k€.