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Heating and cooling: Pellet boilers - Help!

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  1.  
    • CommentAuthorduncans
    • CommentTimeMay 24th 2010
     
    Needing some advice!! We're looking for a pellet boiler for 200m2 dormer bungalow. I'll list what we've considered so far, positive or negative comments appreciated!

    Guntamatic - recommended to us by acquaintance, seems to be good - all singing, all dancing but v. expensive
    Froeling - heard the name on this forum, seems to be tried and tested
    Windhaeger " " " "
    Ponast - half the price of the others but can't find any information on it.

    Would love to hear from someone who has been operating one of these for a few years.
    We want to get the best value for money - don't mind spending a bit, everyone says 'You get what you pay for' but we don't have a bottomless purse. Especially since the darling government decided to cut the LCBP!!

    Many thanks!
    •  
      CommentAuthornigel
    • CommentTimeMay 24th 2010
     
    I have experience of a windhager 26kw boiler for the past two years.
    Overall it has been very reliable and I am now having a winhager firewin installed at home.

    Some pellet boilers can be very sensitive to pellet quality.

    We did have some clinker build up from one delivery of slightly below spec pellets but the boiler did not stop working. It would be worth checker with users of any boiler prior to committing.
    • CommentAuthorJeff B
    • CommentTimeMay 26th 2010
     
    Have you considered the Scotte OPOP wood pellet boiler? I have one. It is very simple (no frills!). Has been very reliable so far.
    • CommentAuthorduncans
    • CommentTimeMay 26th 2010
     
    Thanks for that.
    A few more questions.
    Nigel - was your Windhager expensive?
    Jeff B - what sort of pellet consumption are you experiencing? is your boiler modulating? How long have you had it?

    At the minute we have oil in our old cold house but because we are out at work all day we only use it for an hour in the morning and an hour at night (apart from deepest winter), with a back-boiler open fire as back up. As a result we don't actually spend much on oil. Most of the cost comparisons are for people who use much more than us. In reality we will probably be saving the planet, not money!
  5.  
    Duncans,
    Have you got plenty of room for your pellet store? I have been looking into pellet boilers/GSHP's. I like the pellet boilers but the shape of my plot and house does not lend itself to pellets and easy deliveries. Also the system I looked into would take half of my double garage (almost) as the store, boiler and thermal store would be housed in it. If the store went outside then I would need to build a shelter for it (the boiler could also go in it) but planning would become an issue as it would be too close to the road. I feel I might need to take another look at the GSHP.
    Gusty.
    •  
      CommentAuthornigel
    • CommentTimeMay 27th 2010
     
    The windhager is expensive I think the firewin is about £8k plus fitting.
    However they are very good bits of kit and are low maintenance.
    I am going to hand feed it to start with, although it has been installed with vacuum feed in mind should we feel it necessary.
    • CommentAuthorsinnerboy
    • CommentTimeMay 27th 2010 edited
     
    • CommentAuthorntsmaster
    • CommentTimeMay 27th 2010
     
    You could look at http://www.kotly.com/

    Bought a cast iron multifuel boiler from them and had it imported. Cheap and no problems. They do pellet boilers as well
    • CommentAuthorMGTS24
    • CommentTimeJun 29th 2010
     
    Hello,

    I and my two neighbours have been running a Kunzel PL 25 wood pellet boiler for four years and are very happy with it. It seems to be very rugged and dependable. The overall installation cost £16,000 or so, but we got the 30% grant, and of course the costs were split three ways, so in the end it was affordable. My general impression is that pellet boilers are expensive for single-home installations.
    • CommentAuthortrw144
    • CommentTimeJul 27th 2010
     
    Duncan,
    any idea of your heating requirement. You say 200m3 - but what sort of insulation? When was your home built?
    • CommentAuthorduncans
    • CommentTimeAug 5th 2010
     
    trw144 - in answer to your question 120mm of foil backed insulation in the cavity, insulated boards between and over rafters, home in process of being built at the minute.
    • CommentAuthortrw144
    • CommentTimeAug 6th 2010
     
    Ok, a quick calculation based on the fact you are a new build and therefore upto or passed current standards has your heating requirement somewhere around 6kw + hot water. On this basis, I can tell you about the products we (Euroheat) do. That is either the Evo Aqua from Rika, or the CKA Visioncomfort from SHT Austria. Both are essentially the same unit - the former is a pellet stove with boiler (although only 10% of outpout is to room), the latter is purely a pellet boiler. Both are priced at £5,784.
    • CommentAuthortrw144
    • CommentTimeAug 6th 2010
     
    Just looking back through the post, I see your house is 200m2, not 200m3! In which case your heating demand will be 12-14 kW ish. Again, this would probably rule out the SHT Austria model I mentioned, but the Evo Aqua would still be suitable.

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