Marleau Mechanical is Cornwall's premiere mechanical contractor, serving Eastern Ontario
for four generations. From commercial HVAC, piping and refrigeration systems to commercial leasing opportunities, Marleau offers a comprehensive line up of commercial and industrial services including customized preventive maintenance plans.
We invite you to browse this website, and learn more about us and the
services we offer. Take a closer look at some of our most recent
projects and catch up on the latest news.