Downdraft

  • LazyEyez
    Arcadia, WI
    Posts: 353
    #1257540

    Occassionally I have issues lighting my wood stove as I have a downdraft vs up. This causes the stove to smoke back out. Once the wind or temperature swings just a little I have no problem. This down draft is very rare once or twice a year. What do some of you do?

    Mike

    big_g
    Isle, MN
    Posts: 22548
    #650588

    Open a door a bit, usually negative pressure in the home, pulling the draft down and in. Opening a door, before lighting, will equalize the air in the house. Worth a shot.

    big g

    tmski
    Posts: 126
    #650593

    After my wife is done yelling at me and the kids quit Caughing i put the fire out!! HA HA

    LazyEyez
    Arcadia, WI
    Posts: 353
    #650594

    Quote:


    Open a door a bit, usually negative pressure in the home, pulling the draft down and in. Opening a door, before lighting, will equalize the air in the house. Worth a shot.

    big g


    Yep, that was it. This site always has someone with an easy solution. Thanks

    starkj25
    Posts: 216
    #650661

    my dad use to open the basement window just a crack and then take some newspaper and light it in the stove and it usually sent the smoke up and out

    Newexplorer
    Posts: 53
    #650694

    Sounds like the chiminy pipe is too short. Brother had same problem, added 4′, problem gone, good luck..

    nick
    Lakeville, MN
    Posts: 4977
    #650697

    Heat rises, and so does the hot air, so you need to make sure there is a source to resupply the room with air or the negative pressure will occure in the room when the heat (and air) go up the stack, The room then will actually be at a lower pressure then atmospheric, so it will want to pull the air into the room from the “easiest source”, so if you don’t have a door or window cracked, it pulls air from outside down the stack, and you get the downdraft. Opening a window will keep the room pressure equalized and hot gases going up the stack. Comming from a guy who burns lots of stuff for a living .

    LazyEyez
    Arcadia, WI
    Posts: 353
    #650811

    Quote:


    Heat rises, and so does the hot air, so you need to make sure there is a source to resupply the room with air or the negative pressure will occure in the room when the heat (and air) go up the stack, The room then will actually be at a lower pressure then atmospheric, so it will want to pull the air into the room from the “easiest source”, so if you don’t have a door or window cracked, it pulls air from outside down the stack, and you get the downdraft. Opening a window will keep the room pressure equalized and hot gases going up the stack. Comming from a guy who burns lots of stuff for a living .


    10-4 Thanks !

    LazyEyez
    Arcadia, WI
    Posts: 353
    #650813

    Quote:


    Sounds like the chiminy pipe is too short. Brother had same problem, added 4′, problem gone, good luck..


    That could be the problem on some, but mine is 40 Feet with 8″ Double Wall Chimney pipe, A-Frame house sure add the feet.

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