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How can I keep my windows from "sweating" while using our gas logs?

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  • 1 decade ago
    Favorite Answer

    It only happens while using the gas logs? That's scary !

    When you burn natural gas, the combustion products are mostly carbon dioxide and a lot of water vapour, and maybe some carbon monoxide too. This stuff must be vented effectively out of your fireplace, out of your house. The sweaty windows is a symptom that the gas logs fireplace is not venting properly.

    This is a symptom of a potentially very serious health and safety hazzard if carbon monoxide is staying inside your house too. Its odourless and invisible, and people can get varying degrees of brain damage or die without knowing its happening, because they think they're just breathing regular air, your body does not detect any difference from it.

    You must address that issue about the improper venting, the inadequate draw out your chimney !

    Better get a chimney expert or gas appliance expert to come in, Call the gas company and they should supply someone to check it out.

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  • Anonymous
    1 decade ago

    What type of gas logs are you using? Vented or Ventless?

    If the answer is Ventless, your windows are getting moisture (other non wanted chemicals) from the logs. Ventless gas fireplaces and log systems are extremely questionable and can be dangerous. Check your owners manual OR check with a company that sells fireplaces and log sets. The ONLY place I would ever use a ventless product is in detatched garage.

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  • john t
    Lv 4
    1 decade ago

    caused by two different air temps. outside and inside.

    caulk around the outside of the window frame will help alittle

    proabley single pane windows so temp transfer is bad

    consider putting on storm windows during the winter months or if money is available, replace windows with double pane insulated windows. there is many available to choose from.

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  • 1 decade ago

    It's because of a bad seal. Try caulking the outside of your windows to help get a better seal.

    If you don't have pets or children, you can also set up small cups of rice in your window seals. This will absorb the excess moisture.

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  • 1 decade ago

    Windows sweat for two reasons. 1.Moisture/excess moisture in your house.(use bath fans and possibly a dehumidifier) 2.Extreme temp. difference between inside glass temp. and house air temp.(solved by having window treatments to keep that gap between the glass and house air temp. to a minimum.)

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  • 1 decade ago

    MTL is correct. You have a issues with venting. Have someone look at it before you continue to use it. I would also go out and purchase a carbon monoxide detector. Everyone should have one if they heat using natural gas.

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  • 1 decade ago

    craked open? defeats the purpose of heating the house. nothing worse than a drafty house in winter other than a moist drafty house.

    its physics. its impossible to stop. the only way is to get the double glazed windows that have the air inulated barriers.

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  • Bobbie
    Lv 4
    1 decade ago

    leave a window cracked open somewhere. You should prolly do that anyway.

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  • 1 decade ago

    Better ventilation

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