you can insulate 120 square feet of open walls with R-13 insulation for about $100 to $200. An open wall is any exterior wall that has no drywall, paneling or other cover on its interior side.

Learn More › HVAC systems are widely used to carefully heat and cool homes, but even the most energy efficient systems can ...

One contractor recommended injecting insulation into all of the outside walls, but another contractor says this is not as good as removing the plaster and installing fiberglass and drywall.

Yes, it is possible to insulate an all-masonry home by erecting stud walls just inside the exterior walls. In fact, that is in large part how modern masonry homes are built. The exterior cladding ...

Exterior insulation is like putting a sweater on your house, creating an additional barrier to heat loss or gain. It’s a straightforward concept: Once your home’s exterior walls are exposed ...

Adding attic insulation to an old home is usually a straightforward and valuable process. Wall insulation is just as important for saving energy. Learn what costs to expect for insulating your ...

Q: Is it a good or bad idea to insulate house walls if the exterior is brick and the interior is plaster? It’s been recommended that we insulate our walls. The house was built in the 1940s.