Eco-Inspector Duct Madness: A law of Physics trumped by law of Commerce

The builder of this new home explained to me that he KNEW the county building inspector and that the ducting was OK with him (the county inspector).  The photos connect:  the second photo is the same duct run that exits the left side of the first one.  Such an egregious violation of a basic principal of physics-that ducting  should decrease in size as more ducts are tapped from the same supply (to maintain pressure within the system)-was subservient to the law of commerce.  The Rule here:  What Home Depot has in stock is what gets used.  Oh well, at least the air gets into the home and not the back yard. 


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