Aluminum Gutters; Energy-Efficient Washer & Dryer Ask This Old House : Season 8 Episode 4

General contractor Tom Silva helps a homeowner install new aluminum gutters and downspouts. Then Tom, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey and landscaping contractor Roger Cook ask, "What is it?" Afterward, Richard helps a homeowner install a new energy-efficient clothes washer and dryer.