Ask This Old House S08 E17 Ductless Air Conditioning; Eliminating Ceiling Leaks

Plumbing and heating expert Richard Trethewey heads to Tampa, Florida to help a homeowner cool off his garage workshop with a ductless air conditioning system. Then Richard, along with landscaping contractor Roger Cook, host Kevin O'Connor, and general contractor Tom Silva ask, "What is it?" Afterward, Tom helps a homeowner eliminate a mysterious leak in her living room ceiling.