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heating with wood&oil

Nick Dearing
Nick Dearing Member Posts: 30
in THE MAIN WALL
Do you mean per month?! or per season?

Comments

  • boggie 1417
    boggie 1417 Member Posts: 2
    haeting with wood&oil

    I have a 150,000 BTU outdoor wood furnace. I would like to know if this would keep two average size houses warm for the winter. if so how can I hook it up so the house furnace will not flow back to the wood furnace.If the wood furnace shut down.
  • hr
    hr Member Posts: 6,106
    How much wood and time

    do you have on hand?

    I've found most outdoor furnaces to be a bit overated on their output claims. Perhaps if you have someone available to feed and stoke them good, dry, hard wood, all day, they may perform close to rated output.

    As far as will it heat both buildings, you would need to do a heat load calc on both to see what it will take to heat both buildings. Then size the heater to that load with a little to spare :)

    hot rod

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  • STEVE N
    STEVE N Member Posts: 48
    I agree

    I agree with you Hot Rod. I got involved with piping 2 such units that the home owner purchased... they really swallow up the wood. They hold a huge amount of water and it takes alot of wood to heat it. We did one system with plate heat exchangers and radiant heat. It works really well, but he burns 12 - 15 cords of wood for a 2500 sf house. Hot Rod is also right about figuring the loads of the houses and are you going to use the domestic hot water option? You have to consider that too.

    Steve
  • hr
    hr Member Posts: 6,106
    Also the EPA

    is starting to crack down on those "smoke generator" outdoor furnaces. Several states have already banned their installation, I've been told.

    Supposed to be a new stainless steel American made high efficiency gasification unit available real soon.

    I suspect all the outdoor furnace manufactures are scrambling to meet the latest EPA tier emissions with wood burners.

    Lab tests show on a GOOD day with dry hard wood about a 40% efficiency. Imagine green or wet wood! Maybe 30% useable heat the rest dirty emissions!

    Smoke 'em if you've got 'em :)

    hot rod

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