Insulating your attic walls is one of the best ways to get your home optimal energy efficiency. The amount of insulation you’ll need depends on several factors, including where you live ...

Looking for the best attic insulation? That answer depends on your definition of “best.” The best performing way to insulate an attic doesn't always align with the most cost-effective way.

Energy.gov publishes a chart that details recommended wall and attic R-values for every climate zone in the U.S. It's best to stick to these numbers and not overdo it. Adding more insulation than ...