Behind the walls and between the floors of your home is a network of channels called ducts, which carry air from the heating and cooling systems to the various rooms in your home. Sealing leaks or holes in the ductwork ensures you are getting the heating and cooling you are paying for where it needs to go, while keeping your energy bills down.
Tip: In spite of the name, duct tape should not be used to seal ducts. Hire a qualified HVAC (heating, ventilation, and air conditioning) or home performance professional to make sure ducts are sealed using appropriate materials and techniques. A participating Home Performance with ENERGY STAR contractor will use diagnostic tools to locate duct leaks, measure results, and ensure that heating and cooling equipment is operating correctly with newly sealed ductwork.