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Old 05-20-17, 11:22 PM   #46
Acuario
Apprentice EcoRenovator
 
Join Date: May 2011
Location: Tortosa, Spain
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I'm still playing with improving the defrost efficiency.
I'm currently testing out a pressure differential system.
http://ecorenovator.org/forum/geothe...heatpumps.html
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