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Heat loss values

Discussion in 'Plumbing and Central Heating' started by Sharad, 15 Aug 2016.

  1. Sharad

    Sharad

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    If a patio/French door is removed between an existing room and an existing conservatory to become an opening then what is the heat loss difference?
     
  2. PrenticeBoyofDerry

    PrenticeBoyofDerry

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    There should not be much difference.
    I think the only thing that would alter heat loss, would be if the new area now gives the whole space more outside/external walls or if the roofing/ceiling materials differ, but if both rooms were calculated correctly originally, you would expect that to more or less even it's self out. But always best to do the calcs and see if you have efficient heat.
     
  3. muggles

    muggles

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    If Mary has two oranges, and a bear sh!ts in the woods, will little Jonny be able to make his unicorn fly?

    Not a clue? Exactly. Need to know the U-value of the French doors for a start. Removing the doors will almost certainly be in breach of Building Regulations though, so you'll need to put them back if you ever want to sell the house
     
  4. cjard

    cjard

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    Somewhere between "not much" and "enormous"

    Good thing is, you can test it.. Leave the doors open during winter and see a) how comfortable the room is that is linked to the conservatory and b) how much the gas bill goes up by. My bet is you won't convert it to an opening
     
    Last edited: 18 Aug 2016
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