Gas

Gas work starts with clear information about the appliance, connected load, venting, controls, and existing piping. Matrix Mechanical services residential and commercial natural gas and propane systems in Saint John and across southern New Brunswick.

Gas service and troubleshooting

• Combustion analysis and fuel-to-air adjustments for gas-fired equipment
• Diagnostics for gas appliances, controls, and related electrical components
• Gas-piping repairs and changes for equipment replacements or renovations

Installation and retrofit work

• Gas piping sized for the connected equipment and project requirements
• Connections for unit heaters, radiant heaters, furnaces, boilers, and water heaters
• Appliance retrofits, pressure testing, labelling, and close-out details

What to share

• The appliance type, make, and model when available
• Whether the request is a repair, replacement, renovation, or new installation
• Any drawing, equipment specification, photo, or error code connected to the work
• The service address and any access or timing constraint

This information helps the team understand the equipment, likely scope, and site needs before recommending the next step.

Help us prepare

Provide the appliance make, model and fuel type, describe the symptoms or proposed change, and share accessible photos. Include equipment specifications and access arrangements for planned work.

Your next step

Call 506.696.7000 so we can confirm the next step. For planned work, request an estimate.

Related services

Gas Equipment Inspections · Gas Piping & Appliance Connections · Gas Water Heaters