The Complete Guide to Duct Insulation: Materials, R-Values & Energy Efficiency Tips
For any building equipped with a central HVAC system, the ductwork serves as the circulatory network delivering conditioned air to every occupied space. Without adequate duct insulation, that network becomes a major source of energy waste—studies from the U.S. Department of Energy indicate that uninsulated or poorly insulated ducts can lose between 25 and 40…

