Optional · 1 of 3
Tickets worth adding
Plumber licence
The classic pairing. Water heaters, boilers and gas lines in one visit.
HVAC (heating, ventilation and air conditioning) licence
Furnaces and rooftop units need both a gas licence and refrigeration skills.
Propane and oil burner certificates
Rural and cottage country runs on propane and oil. Fewer technicians means more work.
G1 or Class A
Large boilers, industrial burners and commercial kitchens. Fewer people hold it.