NG:

This has been discussed a fair number of times, although not for a few months. We have several members at least who heat and/or cool this way. Search for "geothermal" in the Questions & Observations and Help categories (and perhaps some others) and you will get about 20 threads to look over.


"Live like you'll die tomorrow, but manage your grass like you'll live forever."
-S. M. Stirling
[Linked Image from i.pinimg.com]