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#1
06-20-2004, 03:29 PM
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Geothermal unit
Major heat wave the past few days killed 4 of my freshwater hatchetfish, the temp was 31 outside.
I am thinking about a geothermal unit which is essentially a heat exchanger with piping buried in the ground and recirculated into your house to heat the house in winter and cool it in summer. Anybody have any experience with these? 
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