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Old 04-22-18, 09:58 AM   #22
oil pan 4
Land owner
Join Date: Nov 2012
Location: NM
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The pushing or pulling air comment refers to unwanted air leakage like you get from running any normal dryer, a single duct portable A/C or a bathroom fan from inside your house.
Running closed loop mean the intended movement of air.
There will be lots of intentional movement of air between the garage and house through the A/C unit, but little to no undesirable or unwanted air leakage or air infiltration.
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