I'm amazed by this as well Dwight. When we eventually build our home on our property we are definitely going to install geothermal. For us it will be as much about the cooling in the summer as the heating in the winter.

JHAP
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"My mind is a raging torrent, flooded with rivulets of thought cascading into a waterfall of creative alternatives."
...Hedley Lamarr (that's Hedley not Hedy)