What is a
“thermal boundary”? You may ask. A thermal boundary is simply a home’s
exterior, which is comprised of outer walls, the ceiling, floor, and windows.
You can save more than $200 a year, or up to 10% on total annual energy bills
with the proper insulation. A knowledgeable homeowner or skilled professional
can get this job done right. If you decide to hire a contractor, make sure the
professional uses specialized tools to identify and seal hidden air leaks