Quote:
Originally Posted by Piwoslaw
...Run your intake air through a few meters of buried tube(s)...
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Piwoslaw,
I agree with the concept for sure, but I think your idea of "a few meters" may be a bit naive. You may be underestimating by a factor of 6.
Most earth-tube designs I have seen call for lengths of around 30 meters.
But your principle is sound.
-AC