At La Régie du Bâtiment du Québec, categories of specialized contractor for installation of wood and liquid propane stoves, fireplaces and inserts are as follows: 

4235 Liquid propane burner systems contractor
4506 All kind of chimneys repair
4513 Wood appliances installation

All our installers are in possession of a competence certificate regarding gas installation, including the following categories:

121 Piping employee:  To install, connect, remove, repair, maintain and start initially any gas appliance not exceeding 400.000 Btus/h
222 Filling employee:  To transport, install, connect and fill bottles over than 75 lbs of gas