Insulating Ductwork / Maintaining Clothes Washers An
series: Ask This Old House
air date: 2/20/13 9:00 PM
Plumbing and heating expert Richard Trethewey visits Cortland, Illinois, to learn how corn is harvested and then to help a homeowner insulate his ductwork. Then, Richard, along with host Kevin O'Connor, landscape contractor Roger Cook and general contractor Tom Silva, asks "What is it?" Afterward, Kevin learns how to maintain clothes washers and dryers.
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