Richard Trethewey

Richard S. Trethewey is an American plumber and HVAC contractor, who is best known as a television personality, appearing regularly on This Old House and its spin-offs, Ask This Old House and Inside This Old House. The Trethewey family has been part of This Old House since the very first season in 1979, when producer Russell Morash called on the Trethewey Brothers to lend their expertise to his then new home improvement television series. Both Ron and John appear in the first season on camera.