They are not. The non certified stove can be installed with our 3' pipes, 5' pipe and exit components. The certified stove would require our 3' double wall flue pipe to just about the ceiling where it will connect to the ceiling support box, using our transition cone. From the ceiling upwards you will need 6' double wall chimeny pipes and components certified to UL 103 HT (United States) and ULC S629(Canada).