Trade Certification and Licensing Submission Requirement - Ontario

Commercial Residential

Refrigeration and Ac Mechanics 313 A 313 A, 313 D

Natural Gas Heating G1 G1/ G2

Propane G1 G1/G2

Oil Heating OBT1 OBT1, OBT2

Heat Pump 313 A 313 A, 313 D

Forced Air Heating N/A but usually a G2, Electrician N/A but usually a G2, Electrician

Ventilation N/A N/A

Hydronic (Hot Water) Heating 306A 306A

Plumbing 306A 306A

Water Heaters 306A (Required for installs)

Electrician Master Electrician License Electrician License (CFQ)

Sheet Metal/Duct Work Installation 308A 308R

WSIB Clearance Certificate Required Required

TSSA Certificate Required Required

Insurance $2M min. Required Required