Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Installing insulation in walls is one of the most efficient and cost-effective ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Seth Berkman, Ingrid Skjong and Amy Roberts Formerly a pick in this guide, the ...

Because warm air rises, the attic is the best place to start, particularly for those in colder climates. But any living space adjacent to the outdoors or, say, a transitional space such as a garage ...