Meet the Team

Marc Viau
President / Co-Owner

Marc derives his philosophy of customer service from his long experience in the HVAC industry. Marc followed his passion for sheet metal having majored four years in high school. Working into his apprenticeship in 1984, years later graduating from Algonquin College in 1988 with his red seal as a sheet metal journeyman. Marc’s leadership led him to further his education adding more qualifications to his resume. These include G2 gas license, oil burner and refrigeration. Marc spends workdays overseeing operations, estimator and mentoring the next generation. In his downtime, it’s hard to find him camouflaged in his hunting blind. But you can find him golfing, curling, camping, travelling, playing hockey and four wheeling.


Tammy Viau
Treasurer / Co-Owner

Tammy began her career in hairstyling when she worked both answering calls for Marc while managing her in home salon. Tammy soon chose one over the other allowing her to work the office from home while having the flexibility in raising three young children Daniel, Mathieu and Chloé. Now some years later she mentors Stacey in the company’s newest location. You will find Tammy nestled at her desk working away with day to day operations in finance, company structure and advertising. Tammy leads a busy and exciting lifestyle enjoying traveling, teaching yoga, sewing, camping, curling, golfing…YOGA-YOGA-YOGA.





Stacey Gingras
Office Manager

Stacey was born and raised in Cornwall. She began her business administration career in 2008, training as a customer service representative. She quickly learned the importance of excellent customer service and has continued to provide it at a high level in all her day-to-day tasks. As our all-important frontline leading lady, she is the first person you see when you walk through the Marc Viau Mechanical doors and is able to help you with any questions and assist you through our process. Stacey has been working with Marc Viau Mechanical for seven years now and not only really enjoys the position but she has excelled at all the challenges the industry throws at her! In her spare time, she enjoys going to the spa and being outdoors four wheeling and camping with her family and friends.




Daniel Viau
G2 Gas Tech, Air Conditioning Tech,
Sheet Metal Journeyman

Daniel is a proud member of the next generation of Marc Viau Mechanical. He attended Hi-Mark occupational skills training center at the age of 18 to receive his G2 gas license in 2008. Daniel then moved on to getting his residential air conditioning mechanic certificate in 2012. Being the oldest son of Marc & Tammy, Daniel has been working in the trade since a young age and quickly found his true passion in the HVAC industry, sheet metal. Receiving his red seal certificate sheet metal worker in 2013, Daniel is our main fabricator in the shop. He loves a good challenge making custom duct work for special applications. As an installer, Daniel takes pride in his workmanship and makes sure that the customer is happy and has an understanding of their new equipment. When Daniel isn’t banging on tin in the back shop, you will find him banging on his drums with his band. He also enjoys playing men's hockey with old time friends.

Mathieu Viau
G2 Gas Tech, Air Conditioning Tech,
Sheet Metal Apprentice

Son to Marc & Tammy, Mathieu was born in Cornwall and raised in Ingleside. Mathieu has been working at the shop since a young age. Eager to continue working on obtaining and broadening his knowledge in more than one trade. Mathieu has attended Hi-Mark occupational skills training center where he completed his G2 as well as his Air conditioning mechanic certificate. He currently is enrolled at Algonquin College pursuing his sheet metal trade. Mathieu strives on building a trusting rapport with existing & future customers. We think of Mathieu as the “furnace whisperer” -- he is your equipment specialist. When he isn’t studying, you will find him video gaming, walking the dog, playing bass guitar and four wheeling.






Corey Wert

G2 Gas Tech, Sheet Metal Apprentice

Corey was born in Cornwall and raised in Long Sault. He obtained his G2 license in 2008 while attending Hi-Mark occupational skills training center. Along his journey was the opportunity to complete his co-op with Marc Viau Mechanical which quickly resulted in a permanent addition to their family. Demonstrating a very meticulous approach to the way he services HVAC equipment, he has proven himself to be very “part”ticular. His ability to inspect the parts we receive allows for a smooth repair. In Corey’s spare time he finds himself returning to his hometown to shoot a fun game of pool at the local watering hole, snowmobiling and skiing. He also loves to fish and travel.










Jordan Brown
G2 Gas Tech, Air Conditioning Apprentice

Jordan born and raised in Cornwall joined the Marc Viau Mechanical business fall of 2014. He quickly began using his G2/OBT2 licenses as a frontline service technician who never backs down to any service challenge. Jordan acquired his knowledge through Algonquin College with the HVAC program. Jordan approaches any service call, big or small with a great confidence. He takes pride and loves his trade. While his great sense of humor and light-heartedness makes it easy to poke fun at him being a Toronto Maple leafs fan. Jordan loves going to the gym and being outdoors doing things like going for a run, camping with friends and snowboarding.