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Dry_Damp t1_iwlfcj5 wrote

3m thick walls for a geothermal HVAC loop??

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atomicwrites t1_iwlukf1 wrote

No, for a nuclear bunker.

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Dry_Damp t1_iwlv6jv wrote

Oh okay, then I misread the other comment. Thanks. We just got a geothermal HVAC installed and it definitely doesn’t have 3m thick walls. Thought we might have been ripped off for a split second.

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