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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

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    • CommentAuthorgyrogear
    • CommentTimeMay 23rd 2020 edited
    We are considering changing our log stove for a pellet stove (EdilKamin ''Blade'').
    This stove can take air out of the room, or optionally can be ducted.

    I suggested piping air direct to the stove, from a wall intake made in the basement out to the garden.
    I aleady have a large floor-opening that will allow this...
    Also, the same opening would allow the stove secondary offtake to also throw heat into the basement...

    The vendor seems to prefer making the penetration through the lounge wall (gable) at stove height, two meters to the side of the stove, and fitting an intake register. Thus indirect air feed. I'd still get the basement heat feature, though.

    I don't much fancy having free air streaming into the room at low temps; also my EWI gets involved at this location (whereas in the basement I would be under the line of the EWI).

    Would be grateful for members' experience or feedback.

    I have fitted direct air supply to the last 2 wood burning stoves that I fitted. Never done a pellet stove. I don’t see why it would be any different, or why anyone would want an uncontrolled opening for draughts through the wall!
    The first stove (in the previous house) was fed from below, the air supply route went under the floor and across the room, under the wall to outside. We had the floors up anyway so doing this was easy.
    The second one (current house) goes straight through the wall from the back of the stove.
    There is a stove in the other end of this house with a vent through the wall, probably as you describe above. Terrible drafts. Can’t wait to sort it out, that stove could do with replacing as it has nearly had it. Low down the jobs list though, after the barn conversion is done.
    It may be that the vendor is just following suggested installation to meet BRegs without considering alternatives.
    My in-laws had an open fire replaced with a stove (by a stove fitting person), the open fire had its own perfectly functional air supply underground as built in the 1970s. This was all closed off and then a new vent was put in the wall (as you describe - uncontrolled) on the side of the room!
    What a wasted opportunity!
    • CommentAuthorgyrogear
    • CommentTimeMay 23rd 2020
    many thanks for your insight, Dominic !

    • CommentAuthorrevor
    • CommentTimeMay 23rd 2020
    The stove can be ducted it is what you want. I agree you do not want holes in your EWI. I have fitted 2 wood burners ducted in the insulation between the slab and top screed. What you describe is far less work, Installers find what is convenient for them. My neighbour had a wood burner stove fitted and it was too much trouble for the installer to make a discreet hole in the wall with a register. So made a hole in the door.!! Insist on what you want if vendor won't give you what you want go somewhere else.
    • CommentAuthorgyrogear
    • CommentTimeMay 23rd 2020
    Thanks revor !

    We have got it sorted, no hole in the EWI, no free draughts in the lounge: I'll make the basement penetration myself (125 mm) and they will pipe up to the stove !

    I'm just working on the price reduction now !

    Good result.
    • CommentAuthorrevor
    • CommentTimeMay 23rd 2020
    That's GR8 . Is it a big pellet stove 125 mm seems a lot for an air intake, flue yes . I googled the make and they look very smart stoves, not heard about them before.
    • CommentAuthorgyrogear
    • CommentTimeMay 24th 2020
    It has max. power of 12.1 kW; the air intake pipe is 60 mm but they use a standard 6'' square wall plate with a round take-off in the center, and a mushroom on the outside. I suppose they like a bit of "wriggle room" !

    The heat offtake pipe is 60 mm diameter also, and the fan has 5 speeds.

    This would be a turnkey vendor installation, with a separate annual maintenace contract (one visit for sweeping & maintenance). I've found the stove on the web, for 1000 euros less, they offered me 500 Euros off, I just want to go a bit further with the price...

    On sale here at 2030 GBP = 2264 Euro, Thats mid rate exchange
    I was expecting it to be a bit more expensive
    • CommentAuthorgyrogear
    • CommentTimeMay 24th 2020
    thanks, Peter, precious information !

    I'll add that into my algorithm for tomorrow's talk !

    I am actually ''hungary'' to get this thing installed, the house deserves it !
    and my log man had a heart attack so I will get no more logs from him !

    keep U posted !

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