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Downsizer Forum Index -> Energy Efficiency and Construction/Major Projects

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Aled

Joined: 08 Dec 2004
Posts: 123
Location: Anglesey

Posted: Tue Nov 21, 06 11:12 am Post subject: Log Powered Boiler
Anybody got one? As we're very keen to avoid fossils one heating engineer has suggested an ATMOS log boiler with a 1500l accumulator tank to integrate with the solar panels. I know we'll need a lot of space for the logs. Any other issues? Thanks

Northern_Lad

Joined: 13 Dec 2004
Posts: 14210
Location: Somewhere

Posted: Tue Nov 21, 06 11:23 am Post subject:
IIRC JonnyBoy's got a chip burner rather than logs, but a similar principle. He should be around sometime or other.

RichardW

Joined: 24 Aug 2006
Posts: 8443
Location: Llyn Peninsular North Wales

Posted: Tue Nov 21, 06 1:46 pm Post subject:

If you dont have either a cheap source of wood fuel or your own trees it can be VERY expensive to run on bought cut & split logs.

Our wood fired rayburn was costing over £100 evey 3 to 4 weeks till we sourced cheaper fuel. Now costs less than £15 for same period. We too are looking at changing to a wood fired burner with accumilator so the morning can have an automatic heat boost without lighting the fire.

Do you have a link for the atmos heater?

Here are the ones we are looking at

https://www.harridgestoves.co.uk/Harridge%20Stoves%20Website/Stoves/Hunter/H14.htm

https://www.harridgestoves.co.uk/Harridge%20Stoves%20Website/Stoves/Aarrow/Tf90b.htm

https://www.dowlingstoves.com/the_sumo.htm

And some other stuff you might like to look at.

https://www.wamsler.co.uk/pages/Cookers.htm

https://www.accumulatortanks.co.uk/index.htm

Justme

Jonnyboy

Joined: 29 Oct 2004
Posts: 23956
Location: under some rain.

Posted: Tue Nov 21, 06 1:50 pm Post subject:
We have a charnwood woodburner, it's does 12 radiators quite well but they are greedy, so a good source of wood is essential.

Aled

Joined: 08 Dec 2004
Posts: 123
Location: Anglesey

Posted: Tue Nov 21, 06 2:21 pm Post subject:
Th boiler is DC18s here: https://www.atmos.cz/kotle1.phtml?english thanks for the comments - next step is sourcing and pricing wood then!

Northern_Lad

Joined: 13 Dec 2004
Posts: 14210
Location: Somewhere

Posted: Tue Nov 21, 06 2:31 pm Post subject:

Aled wrote:

Th boiler is DC18s here:

https://www.atmos.cz/kotle1.phtml?english

thanks for the comments - next step is sourcing and pricing wood then!

There is (well, was 17 years ago) a nice wood behind Beaumaris that had far too many Rhodedendrums in it: you could start there with a bit of heavy pruning.

Aled

Joined: 08 Dec 2004
Posts: 123
Location: Anglesey

Posted: Tue Nov 21, 06 2:33 pm Post subject:
damn, and I was in Beaumaris on Sat - I could have started now so they'd be ready for next winter There's a lovely old fashioned sweet shop just opened there. I'm actually just finishing off a bag of nut brittle that I bought.mmmmmmm

Northern_Lad

Joined: 13 Dec 2004
Posts: 14210
Location: Somewhere

Posted: Tue Nov 21, 06 2:35 pm Post subject:

Aled wrote:

damn, and I was in Beaumaris on Sat - I could have started now so they'd be ready for next winter

There's a lovely old fashioned sweet shop just opened there. I'm actually just finishing off a bag of nut brittle that I bought.mmmmmmm

Damn it! Why do these places only appear once I've left? I had to make do with the chippy in the archway.
Please tell me the Castle Bakery's still there.

Aled

Joined: 08 Dec 2004
Posts: 123
Location: Anglesey

Posted: Tue Nov 21, 06 2:37 pm Post subject:
yep, got some nice bread there. There's a lovely Delhi there now - called Sarah's. Not cheap, but some fantastic stuff. Glad I'm half an hour away, between that and the sweets I'd be broke (and fat!)

Northern_Lad

Joined: 13 Dec 2004
Posts: 14210
Location: Somewhere

Posted: Tue Nov 21, 06 2:39 pm Post subject:

Aled wrote:

yep, got some nice bread there. There's a lovely Delhi there now - called Sarah's. Not cheap, but some fantastic stuff. Glad I'm half an hour away, between that and the sweets I'd be broke (and fat!)

That's why the put the bowling green and putting green on the far side of the Castle; so you'd have to walk further. That, and making it damn windy.

Aled

Joined: 08 Dec 2004
Posts: 123
Location: Anglesey

Posted: Tue Nov 21, 06 4:41 pm Post subject:
hmm I've just been quoted £50 for a m cubed of seasoned logs. Now from what I've read we'd need approx 14 cubic m = £700/year. seems a bit steep - all guesswork as I don't really know how much the solar will be able to contribute, but I'd rather not find out when it's too late!

Northern_Lad

Joined: 13 Dec 2004
Posts: 14210
Location: Somewhere

Posted: Tue Nov 21, 06 4:44 pm Post subject:
Could you not ask Wylfa if they'll run some of their pipes under your house? Should sort out the heating, and the gentle green glow will sort out the lighting too.

sean
Downsizer Moderator

Joined: 28 Oct 2004
Posts: 42207
Location: North Devon

Posted: Tue Nov 21, 06 5:19 pm Post subject:

Aled wrote:

hmm I've just been quoted £50 for a m cubed of seasoned logs.

That's incredibly expensive.

RichardW

Joined: 24 Aug 2006
Posts: 8443
Location: Llyn Peninsular North Wales

Posted: Tue Nov 21, 06 6:07 pm Post subject:

sean wrote:

Aled wrote:

hmm I've just been quoted £50 for a m cubed of seasoned logs.

That's incredibly expensive.

Not for hard wood cut seasoned & split inc del.

Aled wrote:

hmm I've just been quoted £50 for a m cubed of seasoned logs. Now from what I've read we'd need approx 14 cubic m = £700/year.

seems a bit steep - all guesswork as I don't really know how much the solar will be able to contribute, but I'd rather not find out when it's too late!

We use about 36 cubes per year to run our Rayburn as we dont cook on any thing else. It also does the hot water but not the rads.

If I had to guestimate how much we put on the room fire (backed up with oil heating at the min) I would say about 2 cubes per month. I think once we go all wood we will need about 1 cube per week for the winter.

All the above amounts are soft wood so good hard wood would be slightly less but cost loads more.

We are lucky as we can get just over 2 cubes for £10 & then with a bit of time & a chain saw turn it in to suitable sized bits for about £7 a cube. We also have a 2 acre wood land so can if needed harvest from there but I wont cut any trees down whilst I can get off cuts so cheap (& they are a waste product too) but do take wind falls.

Justme

PS dont think that solar will add much to central heating water. In this country its realy only for hot water usage. Think about it when you need heat its not very sunny.

RichardW

Joined: 24 Aug 2006
Posts: 8443
Location: Llyn Peninsular North Wales

Posted: Tue Nov 21, 06 6:32 pm Post subject:
I looked at those & similar gasification boilers but was put off for a few reasons. price compexity need for electricity not made in the UK finding a suitable skilled instaler costs if it breaks down time to get spares if needed no visual fire (we are looking at room based ones) Justme

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