In most homes, however, the most significant air leaks are hidden in the attic and basement. ... Locating these leaks can be difficult because they are often hidden under your insulation. ... Common Household Air Leaks Behind Kneewalls Attic Hatch Wiring Holes Plumbing Vent Open Soffit (the box that hides recessed lights )anbsp;...
|Title||:||A do it Yourself Guide to Sealing and Insulating With Energy Star|
|Publisher||:||Government Printing Office - 2007|