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Watch Ask This Old House Season 7 Episode 22 Online

  • 3.7/10
  • COUNTRIES: United States of America
  • Subtitles: English

Plumbing and heating expert Richard Trethewey helps a California homeowner install a new type of "zoning" control for her forced-air heating and cooling system. Then Richard, along with landscaping contractor Roger Cook, host Kevin O'Connor and general contractor Tom Silva ask, "What is it?" Next, Tom helps a homeowner re-grout the tile floor in her master bathroom.