Sheet Metal / Manufacturing Fabrication

Boiler and Heating Systems

Industrial Process Piping

Custom Fittings

Medical Gas Systems

registered with Service NL

Pipe Brazing

registered with Service NL

Boiler Pressure Vessel Installation / Repair

registered with Service NL

Pipe Welding and Fabrication

registered with Service NL

Waste Water and Water Treatment

Refrigeration / HVAC Systems

BMS Control & Automation Systems

Pipe Insulation


Merit Contractors Association

We take care of the needs of our workers so that we can effectively meet the needs of your project, whatever they may be.

🌐 Merit Website
Merit Contractors Association

St. John’s Board of Trade

When you Choose Tristar Mechanical, you are supporting a local business in St. John's, NL, and together we help our province thrive.

📃 See Our Listing
St. John's Board of Trade


As a member of the American Society of Heating and Air-Conditioning Engineers, we maintain access to the latest technical resources, industry news, and a vast network of HVAC engineers around the world.

🌐 ASHRAE website


We hold a current letter of good standing under the Newfoundland & Labrador Construction Safety Association's Certificate of Recognition Program.

🌐 NLCSA website
COR logo

Contact Us

Online or by Phone