Proper insulation is one of the most cost-effective ways to improve the efficiency and performance of any HVAC system. Insulation works by slowing the movement of heat and preventing it from transferring between surfaces. For HVAC systems, insulation is important for both ductwork and piping. Poorly insulated ducts and pipes can lead to energy loss, higher utility bills, uncomfortable... https://timessquarereporter.com/others/hvac-insulation--improving-energy-efficiency-and-comfort