Gas line work is one of the few HVAC services that is legally required to be done by a TSSA-certified gas technician in Ontario. That makes pricing more standardized than other trades, but it still varies based on appliance, run distance, and whether your existing line has spare capacity. Here is what 2026 gas line installation actually costs in the GTA.
Gas Line Installation Prices by Use
Prices below are EcoFrost typical 2026 installs in the GTA, including TSSA permit, pressure test, and inspection.
| Use Case | Typical Installed Price | Typical Time on Site |
|---|---|---|
| BBQ quick-connect hookup | $350 to $650 | 2 to 4 hours |
| Gas stove / range line | $450 to $900 | 3 to 5 hours |
| Gas dryer line | $400 to $800 | 3 to 4 hours |
| Gas fireplace line | $500 to $1,200 | 4 to 6 hours |
| Pool heater line | $700 to $1,400 | 4 to 8 hours |
| Standby generator hookup | $800 to $2,000 | 4 to 8 hours |
| Outdoor patio heater line | $500 to $1,000 | 3 to 5 hours |
| Hot tub or sauna gas line | $600 to $1,400 | 4 to 6 hours |
What Drives the Range
Four factors explain the spread within each use case.
- Distance from meter to appliance: Longer runs need more pipe, more support brackets, more potential floor/wall crossings. Each 10 feet adds ~$50 to $120 to material plus labor.
- Existing line capacity: If your existing gas line can absorb the added load, the new run starts from a tee. If the existing line is at capacity, an upgrade to the trunk line is needed ($300 to $800 extra).
- Wall and floor penetrations: Each wall/floor cross-through adds $50 to $150. Hidden runs through finished basements may need ceiling cutting.
- Appliance gas type: Most residential appliances use natural gas. Propane (LPG) requires different fittings and pressure regulation - usually $100 to $250 more.
What Is NOT Included (Avoid Surprise Charges)
Reputable contractor quotes are usually all-inclusive, but a few items are commonly NOT included. Confirm before signing:
- Drywall patching: If we cut into a finished wall to run pipe, we cut a clean access hole but do not finish drywall. Drywall finishing is $100 to $400 by a separate trade.
- Appliance purchase: The gas line cost above is the line and connection. The actual BBQ, stove, generator, etc. is separate.
- Electrical work for generator: Standby generators need an electrical transfer switch ($1,200 to $2,500) wired by a licensed electrician.
- Trenching for outdoor runs: If the line crosses a yard underground (e.g., to a pool heater 50 feet away), trenching may add $300 to $800.
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