Hi can anyone suggest a solution to this problem plz. I have a 7kw wood burner in our living room every time I open the door to place more wood In it,it puffs smoke out before I can shut the door,recently had chimney sweep in and clean it Is there some sort of cowl can be fitted to the chimney flue,which is 5," steel twinwall. You thoughts!
Has it always been like this or is it a new thing? Your flue should have enough draw from the heat of the fire to ensure that smoke is pulled up the chimney. the only other thing that springs to mind is that if your house is well sealed and you don’t have a vent, then your fire may be pulling too much air out of the room creating a slight low pressure in the room which is then pulling the smoke from the fire to the room. Opening a window next time before you open the door and see if that makes a difference?
Hi we have the door open all the time as it's far to hot closed,have done the widow test,didn't make much difference,will a Cowell help if so what typ and make?
You say the room gets too hot and you leave the room door open. Are you therefore letting thr fire die right down to smoulder point before you put more wood on, if so open the air intake(s) on the fore for a minute or so before you open the firebox door which will help it to draw. If you've got adequate ventilation into the room it has to be a draw issue, onlyother thing is if it happens more when the wind ids blowing from a particular direction and there is a downdraught depending on height and type of cowl.
You have a 7kw stove...do you have a modern house? If your property was built after 2008 it's VERY likely to need a vent for fresh air fitted close to the log burner. As others have said that's the first thing to check as fitting a cowl MIGHT be unnecessary!
Hi property built 1985. Have been doing wat u say and that works mostly,was more looking for a permanent cure may be a Cowell! It's twin wall though loft to vent threw filled roof
The only time a cowl is useful is to stop down draughts caused by winds. The cowl would make no improvement on your backdraughts when opening to fill
A large 7kw output stove like yours (I have a 5kw to heat a room 6m x 6m ) doesn't just need a fresh air vent to meet building regs... it's essential for it to work efficiently... How big is the room you're heating? Maybe this will help? https://www.directstoves.com/resources/why-do-i-need-an-air-vent/ explain why a constant fresh air supply is essential.
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