About Marc Viau Mechanical

Marc Viau Mechanical was established in 1993. The company spent 18 years in Ingleside, then moved to it’s newest location in Cornwall in March of 2011, making the company centrally located.

Marc believes strongly in customer service, taking great care of one customer at a time. Over the years, Marc has built a loyal following, expanding the business, and reaching out to new customers, forming a generation to generation customer base.

Marc Viau Mechanical is proud of its product line -- furnaces and air conditioners by Rheem & Rheem water heaters, as well as their innovative line of Marquis fireplaces.

Their helpful and friendly staff are always there to greet you in the showroom. They can assist you with options specific to your HVAC & water heater needs. Come in to visit us at 209 11th Street West, Cornwall.