Is there a thief in Your Ductwork?
Is there a Thief in Your Ductwork? Read This. Leaky ductwork steals away system performance, taking with it your investment in high-efficiency equipment. For example, a 13 SEER air conditioning unit connected to a leaky duct system with a 30% leakage costs as much to operate as a less expensive 10 SEER unit connected to [...]