Professional installation, repair, red-tag resolution, and troubleshooting for all gas and propane systems across the GTA and beyond.
We install, modify, and repair gas and propane lines for residential and commercial buildings. Whether you need a new run for an appliance, BBQ, generator, pool heater, or a complete system upgrade, our licensed technicians ensure all work meets TSSA and Ontario code requirements.
Received a Red Tag from a gas utility or contractor? ARC Mechanical can diagnose the issue, correct all deficiencies, and submit the necessary paperwork to clear your Red Tag quickly and safely — restoring your gas supply with minimal downtime.
Specialists in high-efficiency tankless water heaters. We handle venting, gas sizing, condensate drainage, and commissioning to manufacturer specifications. Upgrade from a traditional tank and enjoy endless hot water with optimal performance.
Safe and compliant gas piping, connection, and startup for pool and spa heaters. We ensure proper gas sizing, venting (if applicable), and regulator configuration for trouble‑free operation throughout the season.
Installation and service of gas stoves, dryers, fireplaces, boilers, furnaces, garage heaters, rooftop units, and outdoor heaters. We ensure all equipment is installed to code with proper clearances and leak‑tested connections.
Experiencing issues with your gas piping or appliances? We diagnose leaks, pressure problems, appliance failures, ventilation issues, pilot/ignition problems, and more. Most issues are resolved on the same visit.