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Hello,
I've been doing considerable hacking on refrigeration and Ground Source Heat Pumps for the last year.
I ripped into an old de-humidifier and tore out the air-to-air heat exchangers and replaced them with some small liquid-to-liquid heat exchangers. I then re-charged the unit with Propane (it really works!) and did some tests. I got some surprisingly good test results.
I am now focusing on boring holes in the back yard. A bigger task than I would have guessed, but I'm persistant.
I have loads of photos, graphs, etc. if anyone is interested.
Cheers,
-AC
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