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Old 02-09-17, 07:07 AM   #9
Ron342
Apprentice EcoRenovator
 
Join Date: Feb 2010
Location: Maryland
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Default Wow!

If you ran a geo water line and return to a refrig unit in each room you'd have potential for a very small very cheap heat pump in each room. More $ in the reversing valves than anything else. Are refriges on r134 commonly now?
Jeff, did you just exchange with outside air?
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