ground source and hydronic cooling recommendation [RE-wrenches]

[Kurt Albershardt]

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--On Sunday, February 08, 2004 1:40 PM -0600 sunwise <sunwise at cheqnet.net> wrote:
>
>> I should mention that my plan is to pull fresh air through a 100'
>> culvert (3-4' diameter?) buried ~5' underground as a first stage, which
>> will then feed evaporative cooling for the Summer and provide fresh air
>> for the other months.
>
> This sounds like the "earth tubes" of the past.  One problem with
> drawing air through buried pipes for winter time warming or summer
> cooling is condensation in the pipe.  This is bad regarding molds and
> related air quality issues.  Back in the 60's and 70's, those trying to
> utilize earth tubes used perforated drain tile so the condensate
> wouldn't accumulate.  Where radon is present, you are essentially
> setting up giant radon collection system for the home.


OK, nix that one ;>

Hydronic loop buried at similar depth for precooling a glycol solution which feeds a radiant chilled ceiling?

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