Q–We have an older wood frame home outside Chicago that was built in the 1920s. It has hardly any insulation. A contractor we contacted recommended loose-fill insulation. Can you tell us a little bit ...

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 ...

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 ...