Insulating and air sealing are moving ever closer to zero energy usage. Advances in insulation technologies provide dramatic barriers against air leaks often found at cracks, plumbing, wiring, lighting, and ductwork penetrations. From basement to attics, proper insulation and air sealing can lower heating/cooling costs as much as 50%.
You Looked for "insulation air sealing"
Understanding Air and Vapor Barriers INSIDE your House