The venting on your wood pellet stove can be installed horizontally, vertically or both. The exterior vent allows for proper air flow within the stove, and for the escape of exhaust. If it’s blocked by dense snow – your stove’s ability to ignite and/or stay burning efficiently could be hindered.

A common exhaust setup is horizontal – straight through the exterior wall (See Fig. A). If your wood pellets aren’t burning through fully – this blockage could be the reason…because the exiting air is an important part of your stove’s operation.  (See Figure B).

A similar kind of venting is through the wall with a vertical rise (See Figure C). Vertical piping raises the exhaust further up the exterior wall. This kind of setup creates less risk of snow blockage. However, there’s a possibility of some blockage by strong snow drifts, or a very large snow accumulation.

Pellet stoves can also have exhaust vents exiting through the roof – with some variations  (See Figure D). If your roof has heavy snow piled up that hasn’t slid off or been pushed off, the vent could be blocked.

Proper air flow is key for efficient pellet stove operation. Make sure to check for blockage – no matter how your stove is vented.

Please let us know if you have any questions or concerns about your pellet burning experience. 

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