A High-Efficiency HVAC System Calls For Expert Ductwork Design And … by Mike Rampey | June 8, 2011June 8, 2011 As a homeowner, you most likely understand the importance of sealing and insulating your air ducts to reduce energy loss. Did you also know that ductwork design and installation plays […]Read More Filed Under: Air Conditioning– Air ducts– Energy Evaluations– IAQ – Indoor Air Quality Tagged With: ductwork design– efficiency hvac– high efficiency