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Old 02-22-16, 12:35 AM   #1852
SDMCF
Apprentice EcoRenovator
 
Join Date: Jul 2014
Location: Finland
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Quote:
Originally Posted by DonT View Post
A friend has a mini-excavator I can rent for $100, so I can trenching in a ground loop about 8 to 10 feet deep.
Is that normal in your area? It seems very deep to me. Folks in my area seem to think it is counter-productive to go too deep. I believe the thinking is that the ground temperature lower down won't "recharge" so well during the summer. Around here 1.5 to 2m is common.
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