In 2002, after concluding a five-year professional playing career, Houle returned to the Clarkson Golden Knights to serve as an assistant coach. In 2010, he became the head coach of the
Lewiston MAINEiacs in the
Quebec Major Junior Hockey League (QMJHL), and the following season, he took on the same role with the
Blainville-Boisbriand Armada. Houle served as the head coach of the
Bakersfield Condors in their final season in the
ECHL. Following that, he was hired by the
Edmonton Oilers as an assistant coach for their relocated
AHL affiliate, which became the
Bakersfield Condors in 2015. He held that position until 2021, when he transitioned to the
Laval Rocket. ==Personal life==