[header] How to maintain pellet stoves [title] Hire a professional for annual cleaning. [step] Before the heating season, hire a professional to inspect your stove. They will inspect all the parts but also clear out ash in parts difficult for you to handle, such as the vents and chimneys. 
This is important to prevent chimney fires and smoke leaking from the stove. [substeps] If your stove is newer, check your service contract.