How You Can Use Duct and Register Fans To Increase HVAC Circulation

As Douglas Trattner explains in an article for Houselogic, homes that frequently have cold spots during the winter or hot spots during the summer may be suffering from poor ductwork. While your HVAC itself may be working properly, problematic ductwork may be negatively affecting your home's comfort and the energy bills that go with it.
Trattner [...]