A rule of thumb for determining how much chimney you need for proper woodstove performance is…
First and foremost, it is important to understand that WETT inspectors do not have any authority to prevent you from using your wood appliance; an Inspectors sole purpose is to inspect and advise.
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A certified appliance refers to a designation affixed to the appliance by means of a a label. This label is provided by the company that has "certified" the appliance in terms of function and clearance to combustible materials. It is not a CSA sticker! The label will refer to the Authority that has performed the certification as well as the clearances (front, back and sides) as determined in the process and any other relevant information as pertains to the appliance. If the label is not present the unit is deemed "uncertified" and therefore not in compliance with the requirement for most Insurance carriers
