Non-Energy Benefits of Well-insulated Ducts
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Well-insulated ducts can help avoid rooftop ice-dam formation during the winter.
Insulating ducts located in your attic reduces the leakage of heat into the attic. Heat leaks can cause rooftop snow to melt, resulting in dangerous ice dams. Ice dams are a common cause of roof damage and also dangerous conditions from melting ice for pedestrians around the home.