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Post #9420
@offthegridofficial
Off The Grid
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Coldest day of hte year so far... The outer ring of my basement is 52f 12C, batteries are a nice toasty 17c... and outside it's 21F -6c. The outer ring is a 10ft high space that is 3/4 in the earth. What a wonderful temperature regulator. The heat pump finally reached "saturation" last night where there arent any resting times. But it's still only pulling 1/2 power 1300w. This is a 3.5ton ducted minisplit heating a 4800sqft ICF house.