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A comment on Ask HN: What are you surprised isn’t being worked on more?. Parent comment

Re:Ask HN: What are you surprised isn’t being worked on more? by Too on Tuesday December 29, 2020 @04:54AM (#25568315)
To everyone saying this is impossible. This is proven tech and it's actually not uncommon to heat your house like this already today. Depth of a hole in your backyard is around 100-200m and one such hole provides more than enough for one big house.

Payoff for such investment to break even with more basic forms of heating is around 5-10 years in cold northern europe climates. Sadly most people have shorter foresight than that when it comes to economic planning.

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Re:Ask HN: What are you surprised isn’t being worked on more? by goodcanadian on Tuesday December 29, 2020 @05:25AM (#25568500)
I think you are confusing geothermal energy with ground source heat pumps. That said, both are being done where it makes economic sense to do so.
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