ᐅ Fireplace Stove External Air Supply – What Is the Best Technology for It?
Created on: 2 Dec 2021 13:54
A
ateliersiegel
Does anyone have information about supplying outside air to a wood stove?
Of course, there need to be some kind of shut-off options so that cold outside air (in winter) does not enter the rooms uncontrollably. I imagine there are different solutions for this (automatic, electric, manual). So far, my search has found few images and very little information on the subject.
What does the access on the exterior of the house look like? What sizes can the supply duct have (minimum diameter)?
We are converting our attic and are currently planning to buy a new stove, but which one it will be is still completely undecided. That’s why I want to make the outside air supply possible, even if it might not be needed.
Honestly, I don’t know exactly when this setup makes sense and when it doesn’t.
1. When using a range hood (cooker hood).
2. When windows and doors are so well sealed that little or no air flows in.
Are there any other advantages to using outside air for a wood stove if these two points do not apply? Or are there disadvantages? Somewhere I read that rust can form inside the stove because of moisture.
Of course, there need to be some kind of shut-off options so that cold outside air (in winter) does not enter the rooms uncontrollably. I imagine there are different solutions for this (automatic, electric, manual). So far, my search has found few images and very little information on the subject.
What does the access on the exterior of the house look like? What sizes can the supply duct have (minimum diameter)?
We are converting our attic and are currently planning to buy a new stove, but which one it will be is still completely undecided. That’s why I want to make the outside air supply possible, even if it might not be needed.
Honestly, I don’t know exactly when this setup makes sense and when it doesn’t.
1. When using a range hood (cooker hood).
2. When windows and doors are so well sealed that little or no air flows in.
Are there any other advantages to using outside air for a wood stove if these two points do not apply? Or are there disadvantages? Somewhere I read that rust can form inside the stove because of moisture.
ateliersiegel4 Dec 2021 09:03motorradsilke schrieb:
we wanted a panoramic wood stove. Is that the model with three glass panels and two transparent corners (so you can see through it well from three sides)? Are those available in steel as well, or do they always have to be built-in masonry? I guess the heat output is probably not as high as in "regular" wood stoves?
... and? Has it proven reliable?
With our Nordpeis Smarty (advertising photo), the glass usually needs cleaning again after just one burn (but it also hasn’t been drawing well for a year). I find that annoying. Friends of ours clean their wood stove glass much less often, if at all. Isn’t cleaning a panoramic stove also quite a bit of work?
H
hampshire4 Dec 2021 10:44ateliersiegel schrieb:
Isn’t a panoramic stove also quite a bit of work? The glass of the stove—regardless of design—stays clean during a well-controlled burn with good firewood. Some stoves have special air circulation systems to reduce soiling. Use dry wood, don’t burn less than the recommended minimum amount, start the stove with full air supply, and gradually reduce the air supply once the fire is fully burning (described quickly and simply).
RotorMotor schrieb:
For example, you need about 80m³ (2800 cubic feet) of air for 1kg (2.2 pounds) of wood. Thanks, that’s a useful reference point.
RotorMotor schrieb:
For a 20m² (215 square foot) living room with 2.5m (8 feet) ceiling height, the air is exchanged 1.5 times per kg of wood burned. That makes sense mathematically.
When lighting the fire, not a whole kilogram burns immediately. With an air volume well over 300m³ (10,600 cubic feet) in our living space—this is a very conservative estimate—it shouldn’t make a difference for starting the fire whether a window is open or not.
M
motorradsilke4 Dec 2021 11:09ateliersiegel schrieb:
This is one with three glass panels and two transparent corners (so it's clearly visible from three sides), right? Are there steel stoves like this, or do they always have to be built-in fireplaces? I guess the heat output isn’t as high as in “regular” wood stoves?
... and? Has it proven reliable?
With our Nordpeis Smarty (advertising photo)
the glass usually needs to be cleaned again after just one fire (but it hasn’t been drawing well for a year now). I find that annoying. Friends of ours clean their wood stove glass much less often ... if at all. Isn’t cleaning a panorama stove’s glass quite a bit of work too? Yes, that one has three glass panels. It’s made of metal, so it is a wood stove and not built-in (in that case, you would use an insert and have it built into masonry).
We don’t always run ours at full burn, so the glass does need cleaning from time to time. But it’s not that much effort.
ateliersiegel4 Dec 2021 15:53hampshire schrieb:
Use dry wood, don’t go below the recommended minimum amount, start the stove with full airflow, and then gradually reduce the airflow once the fire is fully established. Yes, I know these tips and follow them.
Whenever I ask professionals, this is the answer I get: "It’s up to you, not the stove or the chimney."
BUT:
We have been using our Nordpeis stove for 3 years. The first year it worked (more or less) well ... but in the last 2 years it burns poorly and the glass gets dirty quickly.
If the wood is supposed to make the difference (and has been less dry for 2 years), I’m surprised, because I can’t really tell any difference in the wood ... and I have worked with wood all my life. Among other things, I make wooden furniture.
But now we will probably get this stove: Nordpeis ME Wall
… and then we'll see if it burns just as poorly with the same wood.
H
hampshire4 Dec 2021 16:25If the stove's behavior changes, it is reasonable to assume that something about the stove itself has also changed. I would check the air supply and whether there was any special coating on the glass panes that might need to be replaced.
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