Ask This Old House

Insulating Ductwork/Maintaining Clothes Washers An

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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.



  • Ask This Old House | Beer, Barrel, Disposers
  • Ask This Old House | Butterflies, Closet
  • Ask This Old House | Safety Lighting, Sink
  • Ask This Old House | Home Compost, Boiler
  • Ask This Old House | Home Energy Special
  • Ask This Old House | Driveway, Shaker Table
  • Ask This Old House | Chainsaw, Wire Garage
  • Ask This Old House | Classroom Garden


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