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arrow stoves
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Jon Maine
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Personally no, but i would suspect the thing to be a bit of a monster with the back boiler. The room it is in will get very hot heating the water for the other rooms in my experience.
However, Harridge stoves is run by a very clued up straight chap called Gary, give him a call and he will give you fair unbiased advice and if he thinks something else is more appropriate will recommend it.
http://www.harridgestoves.co.uk/Harridge%20Stoves%20Website/Stoves/Aarrow/Tf90b.htm
I have also found his prices very reasonable too.
However, Harridge stoves is run by a very clued up straight chap called Gary, give him a call and he will give you fair unbiased advice and if he thinks something else is more appropriate will recommend it.
http://www.harridgestoves.co.uk/Harridge%20Stoves%20Website/Stoves/Aarrow/Tf90b.htm
I have also found his prices very reasonable too.
Penners
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What does Gary's sexuality have to do with this? :wink:Jon Maine said:a very clued up straight chap called Gary
Flyfisher
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I'm also planning a wood burning stove with back boiler, but I've been told that the back boiler effectively takes out heat from the stove so less is radiated into the room, although the 'split' seems to vary quite a bit according to manufacturer's data.Jon Maine said:The room it is in will get very hot heating the water for the other rooms in my experience.
Jon, I'm not doubting your experience but would like to understand it a bit better; perhaps the device you experienced was too big for the room in question in the first place? It must surely be possible to size such boiler/stoves correctly; I'm just a bit unsure about how at the moment.
bower1
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Flyfisher said:perhaps the device you experienced was too big for the room in question in the first place? It must surely be possible to size such boiler/stoves correctly; I'm just a bit unsure about how at the moment.
My experience with woodburners is that there are very few days when they give out anything like their rated heat. I wonder if this is because multi fuel stoves (or ones that can be multi fuel) are rated for coal. I have not had a woodburner with back boiler though.
Jon Maine
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Sorry, I probably have not been very clear, but then its not really my field although I fitted them many moons ago and why I suggest a real expert like Gary who probably sells 20 stoves every day.
I think the problem comes that you have to size the stove to the room as your first exercise, although you can oversize it to take into account the amount which will be lost heating the water. If you design it from the boiler output you may end up with substantially more heat input to the room than is required which could be a real problem.
So different back boilers will probably be more efficient than others so the first thing you need to do is work out the amount of hotwater you want and how much heat output or even just the size of the room the stove will be in and then ask someone like Gary what they have which will meet your requirements.
Otherwise you could turn your living room into a sweaty boiler house....
I think the problem comes that you have to size the stove to the room as your first exercise, although you can oversize it to take into account the amount which will be lost heating the water. If you design it from the boiler output you may end up with substantially more heat input to the room than is required which could be a real problem.
So different back boilers will probably be more efficient than others so the first thing you need to do is work out the amount of hotwater you want and how much heat output or even just the size of the room the stove will be in and then ask someone like Gary what they have which will meet your requirements.
Otherwise you could turn your living room into a sweaty boiler house....
Jon Maine
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- Shepton Mallet, Somerset
bower1 said:Flyfisher said:perhaps the device you experienced was too big for the room in question in the first place? It must surely be possible to size such boiler/stoves correctly; I'm just a bit unsure about how at the moment.
My experience with woodburners is that there are very few days when they give out anything like their rated heat. I wonder if this is because multi fuel stoves (or ones that can be multi fuel) are rated for coal. I have not had a woodburner with back boiler though.
Exactly the sort of thing which needs to be taken into account, if you are burning wood, coal or a mix. Best to ask the experienced as they just know these things.
Flyfisher
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Thanks for that; I like to know as much background as I can digest before talking to the experts.
countrycott
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Jon Is right, in my experience also the stove needs to be kept burning pretty hot to effectively heat the boiler enough to power any radiators you have linked to it. Depends what temperature you want or expect the rads to be kicking out, as well.
Wood stoves don't really behave consistently and can and do change with the weather even if you use a consistent fuel.
Some other variables you may like to think about, with the way woodburners/multifuel stoves operate are
a) your chimney, size, temperature, insulation etc.
b) the position of your house itself
c) what you are burning
I've used a WB stove for many years, and yes they can get the room very warm on a good burning day with good dry well seasoned wood in there, in an enclosed room you may have to fling open the doors when the fires gets into its stride and the radiant effect has got to its peak, you may start to sweat as you marvel at the power of your stove! Not such a problem with open plan living spaces.
We used to live at the top of a hill with the stove in an internal chimney (as opposed to end or outside stack, chimney temperature makes a huge difference) which was great for chimney draw and drying the washing quickly outside. The stove was in the middle room and did a great job of pretty much heating the whole house single handedly, with the hot air rising up to the bedrooms too and heating the uninsulated chimney breast through the rooms
We brought the same stove with us to the cottage we live in now and we're down a slight hill in something of a dip (frost and fog gather) and I think the roof shape and orientation now contribute a downdraft across the chimney pots, so the stove behaves very differently. Much more liable to burping smoke, and not burning as hot with not having such a good natural draw, so it has to be adjusted carefully, and in some weather conditions it just won't burn or breathe as well. So the same stove with boiler added (2 linked rads) but used in a smaller room doesn't give the same output as it did at the other house due to the different chimney position, if you see what I mean. Output figures can only be used a a guide.
Having a boiler inside the stove also takes up physical space so that you can't get as much fuel of whatever sort in there, so you will need to re-fill more often, and chop logs smaller.
BTU ratings given for most stoves usually are the max ratings, I think, so ask about this.
Wood stoves don't really behave consistently and can and do change with the weather even if you use a consistent fuel.
Some other variables you may like to think about, with the way woodburners/multifuel stoves operate are
a) your chimney, size, temperature, insulation etc.
b) the position of your house itself
c) what you are burning
I've used a WB stove for many years, and yes they can get the room very warm on a good burning day with good dry well seasoned wood in there, in an enclosed room you may have to fling open the doors when the fires gets into its stride and the radiant effect has got to its peak, you may start to sweat as you marvel at the power of your stove! Not such a problem with open plan living spaces.
We used to live at the top of a hill with the stove in an internal chimney (as opposed to end or outside stack, chimney temperature makes a huge difference) which was great for chimney draw and drying the washing quickly outside. The stove was in the middle room and did a great job of pretty much heating the whole house single handedly, with the hot air rising up to the bedrooms too and heating the uninsulated chimney breast through the rooms
We brought the same stove with us to the cottage we live in now and we're down a slight hill in something of a dip (frost and fog gather) and I think the roof shape and orientation now contribute a downdraft across the chimney pots, so the stove behaves very differently. Much more liable to burping smoke, and not burning as hot with not having such a good natural draw, so it has to be adjusted carefully, and in some weather conditions it just won't burn or breathe as well. So the same stove with boiler added (2 linked rads) but used in a smaller room doesn't give the same output as it did at the other house due to the different chimney position, if you see what I mean. Output figures can only be used a a guide.
Having a boiler inside the stove also takes up physical space so that you can't get as much fuel of whatever sort in there, so you will need to re-fill more often, and chop logs smaller.
BTU ratings given for most stoves usually are the max ratings, I think, so ask about this.