bathroom extractor fan advice

Discussion in 'General DIY' started by worto03, 16 Nov 2009.

  1. worto03

    worto03

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    Hi,

    We're just about to have a new bathroom installed, someone else is doing the install (I'm not good with DIY!) but we're providing the parts. I'm after a humitity controlled extractor fan.

    I used this fan size calculator http://www.tlc-direct.co.uk/Technical/Ventilation/Ventilation4.html

    And as a result was lead to look at these two fans :-

    http://www.tlc-direct.co.uk/Products/ADICON60.html

    http://www.tlc-direct.co.uk/Products/BGWF150AH.html

    Is there anything I need to know about these? I think it will be wall mounted (we basically have a hole in the wall with a vent cover thing that slides over it at the moment) but what do I need to buy apart from the fan & the humitity module so he can install it?

    Thanks for any advice,
    Steve.

    edit - the bathroom is 1.7x2.1x2.4m and it's a bathroom with shower.
     
  2. foxhole

    foxhole

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    I would avoid the humidity fan and go for a timed fan, you want the fan running whenever the room is occupied to avoid mold, the humidity fan will only run with high humidity.
     
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  4. worto03

    worto03

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    Oh - thanks for the reply - the timed fans are a lot cheaper so that kind of suits me - I thought the idea was that I only needed the fan on when it got humid so a humitity sensor seemed like the sensible way to go?

    Why do I need the extractor fan on if I've just popped in to clean my teeth or something?

    thanks - worto.
     
  5. Burnerman

    Burnerman

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    Put the timed fan on a separate pull switch, and then you can decide if you need it on or not.....after a shower it should run for 15 mins or thereabouts after being switched off. John :)
     
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  7. foxhole

    foxhole

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    Mold spores can enter the room anytime so the more ventilation you have the better, my shower room has twin fans which are triggered by a movement sensor [pir] so run if you so much as look in the room, no mold at all despite there being no window in there.
     
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    DIYnot Local

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