Richard Trethewey

Richard Trethewey (born 1955) is an American plumber and HVAC contractor, best known for his appearances as a television personality on This Old House and its spin-offs, Ask This Old House and Inside This Old House. Born in Boston, Massachusetts, Trethewey comes from a family with a longstanding connection to This Old House, with his father and uncle appearing in the show's first season. Richard joined the show in its second season, frequently showcasing his expertise in installing new equipment in homes. With his extensive experience in plumbing and HVAC, Trethewey has become a trusted figure in the home improvement world, sharing his knowledge and skills with viewers.