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        Sat, 03 Feb 2018 07:11:08 -0800 (PST)
Date: Sat, 3 Feb 2018 16:11:04 +0100
From: "Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] Net length info question
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On Sat, 3 Feb 2018 14:57:56 +0100
"Richard Rasker (rasker AT linetec DOT nl) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com> wrote:

> Hi all,
> 
> Maybe a rather unusual question, but at the moment, I'm "abusing" PCB in 
> the construction of our new home, intended to rely on 100% solar energy: 
> we plan to use the ground under the house for storing heat, by laying 3 
> lengths of 100 m (~300 ft) of tubing in the foundations as a heat pump 
> source.

You might get a problem in case your heat pump cool your foundation below zero degree Celsius?