Ask This Old House

Season 11, Episode 20

Episode Title: Insulating Ductwork; Maintaining Clothes Washers and Dryers

Air Date: 2013-02-14

Overview:

Plumbing and heating expert Richard Trethewey visits Cortland, Illinois, to learn how corn is harvested and then to help a homeowner insulate ductwork. Landscape contractor Roger Cook demonstrates proper pruning technique. Roger, Richard, host Kevin O'Connor, and general contractor Tom Silva ask "What Is It?" Kevin learns how to maintain washers and dryers.