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Extractor fan in double-glazed window

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  • 15-10-2014 1:41pm
    #1
    Registered Users Posts: 13,750 ✭✭✭✭


    Bathroom is in need of an extractor fan and there is no possibility of a ceiling fan or adding one to the wall (Mansard Roof) so the window looks like the only option.

    I have 2 options: either buy a standard fan and attach it to the wall beside the window, or get the window replaced with one with a fan-built in.

    For the latter option, know anywhere that would have such windows?

    I'll try out the first option using a normal fan positioned beside the window and see how much steam gets sucked out.


Comments

  • Registered Users Posts: 28 Chalkitdowndiy


    Can you open a window? Sometimes that's nearly better that an extractor. Not sure how practical that might be for you though.
    And is there no way of extracting via the ceiling using a pipe and out through the top of the roof?

    ChalkItDown :)


  • Registered Users Posts: 707 ✭✭✭Hoagy


    mrcheez wrote: »
    Bathroom is in need of an extractor fan and there is no possibility of a ceiling fan or adding one to the wall (Mansard Roof) so the window looks like the only option.

    I have 2 options: either buy a standard fan and attach it to the wall beside the window, or get the window replaced with one with a fan-built in.

    For the latter option, know anywhere that would have such windows?

    I'll try out the first option using a normal fan positioned beside the window and see how much steam gets sucked out.

    We were renovating and had the same issue, we ended up getting a new double glazed unit made up with a hole pre drilled in it, and then fitted a normal window fan unit. Any glazing company will make you a sealed unit.


  • Registered Users Posts: 13,750 ✭✭✭✭mrcheez


    Hoagy wrote: »
    We were renovating and had the same issue, we ended up getting a new double glazed unit made up with a hole pre drilled in it, and then fitted a normal window fan unit. Any glazing company will make you a sealed unit.

    cheers, is it a fairly standard size? Do you find you lose heat through the fan, compared to standard double glazed, or do flaps hold it in?


  • Registered Users Posts: 707 ✭✭✭Hoagy


    mrcheez wrote: »
    cheers, is it a fairly standard size? Do you find you lose heat through the fan, compared to standard double glazed, or do flaps hold it in?

    It's a standard 4inch bathroom fan.
    You're always going to lose some heat through a fan, there's a backdraft shutter to stop the breeze but that's all.


  • Registered Users Posts: 13,750 ✭✭✭✭mrcheez


    Is the wire visible across the glass, or did you get a section of the window made to conceal the wiring etc?


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  • Registered Users Posts: 707 ✭✭✭Hoagy


    mrcheez wrote: »
    Is the wire visible across the glass, or did you get a section of the window made to conceal the wiring etc?

    No the fan is near the top of the glass unit so the flex loops down from a ceiling rose


  • Registered Users Posts: 13,750 ✭✭✭✭mrcheez


    Last question... rough estimate for whole thing. €400? €1,500?


  • Registered Users Posts: 707 ✭✭✭Hoagy


    mrcheez wrote: »
    Last question... rough estimate for whole thing. €400? €1,500?

    Down the lower end. Maybe 200 for the glass and 200 for the fan.


  • Registered Users Posts: 17,043 ✭✭✭✭Sleeper12


    Can I point out that a 4" extractor fan is designed for smells they do not remove steam & are not designed for this. You'd be far better off fitting on open /close vent in the wall.


  • Registered Users Posts: 95 ✭✭Kevin the Kid


    I just saw one of them yesterday. The fans that come through a panel of glass in a double glazed window. The window panel was around 12 inches wide and 15 inches top to bottom with a 4 inch fan bang smack in the middle. I haven't seen one before but it caught my eye. So they are defiantly out there.
    Like hoagy said I'm sure a glazing company will cut one for you and seal it with your chosen fan in the middle.
    Good luck


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  • Registered Users Posts: 13,750 ✭✭✭✭mrcheez


    I just saw one of them yesterday. The fans that come through a panel of glass in a double glazed window. The window panel was around 12 inches wide and 15 inches top to bottom with a 4 inch fan bang smack in the middle. I haven't seen one before but it caught my eye. So they are defiantly out there.
    Like hoagy said I'm sure a glazing company will cut one for you and seal it with your chosen fan in the middle.
    Good luck

    Interesting. Where did you see it?

    Also was there a wire coming out along the glass? I like hoagy's suggestion of putting the fan on the top.


  • Registered Users Posts: 13,750 ✭✭✭✭mrcheez


    Sleeper12 wrote: »
    Can I point out that a 4" extractor fan is designed for smells they do not remove steam & are not designed for this. You'd be far better off fitting on open /close vent in the wall.

    So is it not possible to get a fan similar sized to the ones used in the wall??


  • Registered Users Posts: 17,043 ✭✭✭✭Sleeper12


    mrcheez wrote: »
    So is it not possible to get a fan similar sized to the ones used in the wall??

    A bathroom extractor fan is for smells. If you think about it, if the fan sucked out steam then the steam would condense on the fan, in the fan, in the ducting etc. You would see drops of water on the fan. Now think of any bathroom fan after a shower, you never see droplets of water on the fan.

    Compare a bathroom fan to a kitchen fan. Think of the difference in the noise.

    Save yourself a few hundred euro & just put a vent in


  • Registered Users Posts: 13,750 ✭✭✭✭mrcheez


    Check what i said
    mrcheez wrote: »
    there is no possibility of a ceiling fan or adding one to the wall (Mansard Roof) so the window looks like the option

    The exterior isn't a wall, it's roof. Tad more expensive and may actually require planning permission as it would affect appearance of the row of terraced houses, so window only option


  • Registered Users Posts: 95 ✭✭Kevin the Kid


    mrcheez wrote: »
    Interesting. Where did you see it?

    Also was there a wire coming out along the glass? I like hoagy's suggestion of putting the fan on the top.

    In a window on a building opposite DAX restaurant on Pembroke street.


  • Registered Users Posts: 13,750 ✭✭✭✭mrcheez


    In a window on a building opposite DAX restaurant on Pembroke street.

    hmm must be a recent addition...

    https://www.google.ie/maps/@53.3347643,-6.2541615,3a,75y,178.83h,99.2t/data=!3m4!1e1!3m2!1sP3fs87Ks4PHTVrc38yJ4xQ!2e0


  • Registered Users Posts: 95 ✭✭Kevin the Kid


    mrcheez wrote: »
    hmm must be a recent addition...


    Excellent. Its there for sure
    Ground floor about 3 or 4 houses from the end of the street


  • Registered Users Posts: 95 ✭✭Kevin the Kid


    first floor over the Navy blue door. Next to the lane on the right.

    Sorry I'm kinda new to boards and they won't let me post urls etc


  • Registered Users Posts: 13,750 ✭✭✭✭mrcheez


    not seeing it for me ... you can post links by spreading them out over lines.. e.g.

    www.
    google.
    ie/maps/
    @53.3346667,-6.2544322,3a,
    75y,342.3h,85.01t/data=!3m4!1e1!3m2!1sK6rDjuE1vp7l9uiGGob5Mg!2e0

    etc

    Anyway I can always pop down that way whenever I'm southside


  • Registered Users Posts: 95 ✭✭Kevin the Kid


    mrcheez wrote: »
    not seeing it for me ... you can post links by spreading them out over lines.. e.g.

    www.
    google.
    ie/maps/
    @53.3346667,-6.2544322,3a,
    75y,342.3h,85.01t/data=!3m4!1e1!3m2!1sK6rDjuE1vp7l9uiGGob5Mg!2e0

    etc

    Anyway I can always pop down that way whenever I'm southside


    I tried to spread it out but it doesn't work..... they folks at boards don't like messers.

    There you are. Just over the navy blue door (number 10)
    Is that what you are after - a vent in the window glass?
    bottom right panel.


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  • Registered Users Posts: 13,750 ✭✭✭✭mrcheez


    Ah right see it there, hard to judge from google map, but i guess it's the same sort of idea.

    Out of curiosity i'm going to try putting a standard fan beside the open window in the bathroom and see if it pulls out the steam as i hope.

    And before anyone suggests, no i'm not going to start taking colder showers to reduce steam ;)


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