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Ontario

Plumbing, steamfitting and sheet metal certification in Ontario

Seven trades that run pipe, duct and refrigerant, each with its own hours and its own paper. These guides cover closing the logbook, booking the exam, what is on it, and the licensing that starts the day you pass.

Trade codes on this page: 306A · 307A · 308A · 308R · 313A · 313D · 426A

What comes after the ticket

Your C of Q is the licence to charge for it. Open a working Ontario business in your trade and see the quotes, invoices and permits that follow.

Open a working business

No card, no form. Sign in later and everything you built stays on the same account.

7 guides on this

306A306A PlumberClosing out hours, booking the C of Q exam, exam prep, plus the post-cert plumbing layers — municipal Master Plumber licensing, backflow prevention, TSSA gas tickets, and the UA pathway.307A307A SteamfitterC of Q exam prep and booking for the steamfitter trade, plus the regulatory layer — TSSA pressure piping, CWB and ASME welding qualifications, and the UA pathway into industrial mechanical contracting.308A308A Sheet Metal WorkerC of Q exam prep and booking for the sheet metal trade, plus the post-cert layers — SMACNA standards, TAB certification, CWB welding, and the SMART union pathway through commercial HVAC and architectural work.308R308R Residential Sheet MetalC of Q exam prep and booking for the residential HVAC sheet metal trade, plus the TSSA gas-ticket pairing, the 308R → 308A upgrade route, and the path to owner-operator residential HVAC contracting.313A313A Refrigeration & A/CC of Q exam prep, the Ozone Depletion Prevention (ODP) card, CSA B52, TSSA jurisdiction over industrial refrigeration, the refrigerant transition (CO2, ammonia, hydrocarbons), and the heat-pump market.313D313D Residential A/CC of Q exam prep for the residential A/C and heat pump trade, plus the ODP card, manufacturer dealer programs, geo-exchange / IGSHPA certification, and the 313D → 313A upgrade route.426A426A Construction MillwrightC of Q exam prep for industrial machinery installation, plus the 426A vs 433A distinction, CWB welding qualifications, manufacturer training (Atlas Copco, Sandvik, ABB, Siemens), CSA Z460 LOTO, and the UBC Millwrights’ Locals union pathway.

The rest of the Ontario library

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Every guideThe whole Ontario libraryBefore you qualify