Apologies, I didn't appreciate you meant average temperature underground - that ... | Hacker News

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		arethuza on Jan 18, 2022 \| parent \| context \| favorite \| on: How to build homes with virtually no heating (2020... Apologies, I didn't appreciate you meant average temperature underground - that is definitely much warmer. We have a ventilation shaft for an old limestone mine near our house and on a cold day the warm air rising from it is very noticeable.

a_square_peg on Jan 18, 2022 [–]

I wasn't the commenter so no worries about apologies... just wanted to point out where you can find this information. :)

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