Built on 100 years of founder experience, Onyx is a Tier 1 mechanical contracting company that values relationships, delivers on its promises, and honours its handshakes.
Every time. Every day.
![Chris-Neilson Chris Nielsen](https://onyxmech.com/wp-content/uploads/2022/05/Chris-Neilson.jpg)
Chris Nielsen
PartnerHaving entered HVAC in 1990, Chris holds diplomas in both HVAC Systems Design and Energy Management.
![John-E-McKinnon John E McKinnon](https://onyxmech.com/wp-content/uploads/2022/05/John-E-McKinnon.jpg)
John McKinnon
PartnerJohn entered the HVAC field in 1985 and holds diplomas in both HVAC Systems Design and Energy Management.