adobe machine room?
cclist at sydex.com
Sun Oct 21 13:28:26 CDT 2007
On 21 Oct 2007 at 12:08, Kevin Handy wrote:
> This works because the ground below a certain depth is usually
> much cooler than the surface, which is why your grandparents
> dug a root cellar to store vegetables and preserves.
I was thinking about big-iron machine room with a heat load of
perhaps 100K BTUs or more. Earth tubes of any practical size just
don't have the capacity for that.
Heat pumps using wells for a heat source or sink are not uncommon for
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