Ross Trethewey

Ross Trethewey is an American mechanical engineer and television personality known for This Old House and Ask This Old House The son of longtime plumbing and heating expert Richard Trethewey and grandson of original series plumber Ron Trethewey he represents the third generation of his family to appear on the program Ross joined the team in 2011 and became a regular cast member in 2016 after cocreating the Future House segment He holds bachelors and masters degrees in mechanical engineering from Tufts University and is the founder and lead engineer of TE2 Engineering specializing in highperformance HVAC renewable energy and building systems