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Author Topic: Woodburner heating  (Read 3098 times)
Handyman Essex
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« on: March 01, 2017, 03:54:58 PM »

Hello,
I'm looking to put a wood burning heating system
in to our property in France. We would like to use a Adada burner with a
back-boiler. (good fed back from friends in the UK) I'm running into a lot
of problems as to how, different experts / sale-people are telling me
different things. What I would like i to do is: Run some radiators Have a
indirect hot water tank with electric element back-up (summer time), maybe
have provisions to add solar water heater at a later date.
Something that will not go bang in a power cut (4 to 5 times a year) .
I hope this make sense

 Chris
Ps: I'm not a plumber
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todthedog
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« Reply #1 on: March 01, 2017, 04:47:12 PM »

Hello Chris and welcome to the forum.
Others with more experience than I will be along shortly.
Where in France are you, we spent 15 happy years in Finistere.
Good luck.
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Handyman Essex
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« Reply #2 on: March 02, 2017, 11:08:47 AM »

Hello Chris and welcome to the forum.
Others with more experience than I will be along shortly.
Where in France are you, we spent 15 happy years in Finistere.
Good luck.

Just outside Parthenay, I have hung a round the forum but this is the first time I have felt the need to post a question. Most question have be asked an the answer can be found with a quick search.

Chris
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Handyman Essex
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« Reply #3 on: March 08, 2017, 12:14:57 PM »

It seems very quit here or I'm asking the wrong questions Wink
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pdf27
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« Reply #4 on: March 08, 2017, 12:37:36 PM »

Reading that again I'm not really sure what question you're asking, if any!
  • Do you want feedback on your suggested wood boiler?
  • Do you want us to suggest a system design for you?
  • Do you want us to suggest the best way to heat and provide hot water for your house?
  • Something else?
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jonesy
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« Reply #5 on: March 08, 2017, 03:16:33 PM »

Whatever you buy, make sure it's supported locally.  Hardly a week goes by when I don't see a Brit asking for help because something they bought in the UK (usually a boiler) has gone wrong. The local plumber doesnt recognise it, and hence can't readily diagnose it.  Then parts have to be ordered somehow.
All I can see around my house is wood. It's everywhere and I can buy it in tree size for around €20/stere. However, it's a lot of work to cut/split/store/move to boiler - I reckon about 4 stere/day. I quite like it and its good exercise.  However, I put my back out and couldnt walk for a week in August.  I did this by sitting badly on a chair relaxing after exercise.  I was in the middle of preparing my burning for that winter, so it meant a break of about a month. No real bother, but what I'm trying to say is make sure you have other forms of heating in case you can't chop/move wood. The other thing to remember is that you have to be there to feed the boiler. Go out for the day and you come back to a cold house.
My house is 100m2 and insulated to triple French spec. I have a 7kw fire which heats the house, plus electric heaters in all rooms. I use about 1.5 stere per year; the norm for a classic farmhouse is about 10.  Due to a lack of enthusiasm, I've only wired the heaters in our bedroom and bathroom in case I'm too ill to light the fire.
You could look at pellet burners, which can be bought as system type boilers. Air/water is popular and generally cheap to run. In terms of something that doesnt need leccy, you could get a small log burner for your main room and use that in emergency.  Our longest power cut in 5 years was 7 hours when a transformer feeding 2 local villages blew up.  It was day light and I just gardened instead! I've had a genny 7 years and used it 5 times in the last 5 years for the annual test. A pellet burner needs a small amount of leccy to drive the fuel in and ignite it.
A solar hot water system needs power to run.  According to a local manufacturer, the systems generally survive power cuts fine, but after about a week, the anti-freeze will degrade and need replacing.
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1.1kWp PV & SB1700. 7kW log burner.
todthedog
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« Reply #6 on: March 08, 2017, 07:46:00 PM »

Personally not a huge fan of woodburners with a back boiler.
In France we were on grid but with solar thermal which provided hot water for 9 months of the year.
PV and a wind turbine.


A small petrol geny for power cuts. Like Jonesy used it for  week after a huge storm and then just fired it up once a year to make sure it worked
An air/air heat pump provided heat for the shoulder months and a wood burner for winter.
In our case Jotul but I think more up to date models are now available.

Used to cut the wood ourselves but increasing years and disinclination led to buying it in about 150 euros a cord 3 m3.

I would look at a heat pump combined hot water cylinder that could be combined with PV and or solar thermal if I was installing from scratch. Something like

http://www.ebay.de/bhp/brauchwasser-wärmepumpe

To quote the forum motto insulate insulate insulate. That is worth every penny.

I would advise against importing a system unless you are confident is servicing it yourself or can find local installers who are happy to do the maintenance for you.
Good luck
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todthedog
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« Reply #7 on: March 09, 2017, 07:22:04 AM »

Morning  Jonesy

Sorry to hear of your bad back, relaxing after chopping wood and exercise?

Why can't i get this image out of my head




Totally unfair, i know how painful and debilitating a bad back is, really hope you are fully recovered.

We never met in France if you ever journey a tad further north you are always welcome.
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jonesy
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« Reply #8 on: March 10, 2017, 12:12:17 PM »

It was last August I spannered the back, and it's still not right.  Well, to put it another way, it gives me a nudge every now and then when I bend across a table which is annoying when it's the wine you're reaching for. I'm lucky it wasn't too serious compared to some friends. Oddly I could drive, just couldn't walk more than 20m. A specialist saw me on day 5 and basically dosed me up on Ibuprofen for 7 days and told me to walk it off, which did the trick.
You might have to explain the M+W pic; I only ever saw it in colour and, according to my folks, didn't understand the gags.
Under the current French rules for non-eu citizens, we will have to return to the UK in ~2 years, as we don't meet France's requirements.  Hopefully Europe and UK will come up with some understanding for current residents.  If not, we'll be uk 'based', but 'touring' so you can expect a visit!
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1.1kWp PV & SB1700. 7kW log burner.
todthedog
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« Reply #9 on: March 10, 2017, 12:39:28 PM »

Probably teaching egg sucking to grandma but have you tried an osteopath, put me straight in two sessions . A fix not a cure, but the relief was fabulous have to revisit every so often.
I know a great guy in Quimper but probably a bit far for you!

Not sure where we stand in Sweden, not yet integrated into the system, you need comprehensive private health insurance,  however as far as the Swedish authorities are concerned comprehensive private healthcare does not exist. European Commission are investigating fully expect UK out of Europe or us dead before any conclusion is reached!! An endless burocratic circle.
However we really like it here so we will see.

Whether we are forced back to the UK or elsewhere is up in the air like you hoping for a resolution.

We are about an hour north of Malmö.

Mrs T always said they if I wore shorts they looked very similar to EM.  I just found he was like Tommy Cooper, the tags were terrible but there was something about him that just made you smile.

Oops a bit off topic sorry , I must speak to myself severely!
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