Fantech Inline Exhaust Fan Ducted under Whirlybird

Hi there,

I was wondering if anyone knows much about whirlybirds and exhaust fans.

I’ve been quoted to install an Inline Fantech 150mm exhaust fan for my bathroom.
https://fantechtrade.com.au/residential/provent-series/

The electrician has mentioned, if he cannot duct it under my eaves due to asbestos – he plans to duct it under my whirlybird. I was wondering if this would be effective in terms of taking all the moisture out of my bathroom and venting it outside?

Any suggestions, if you own this exhaust fan, ideas would be much appreciated.

Thanks for your help.

Comments

  • Yes I have the same model that does the same thing you're planning. Works fine.

    • May i ask if your exhaust fan was ducting under an existing whirly bird? Thanks

      • ducting to a vent like a whirly bird that doesn't spin. Can't see how the whirly bird would affect anything

  • How much is he charging?

    • $870 plus gst

      • $957 That includes the fan right?

      • decent price, i paid $900 for a similar 200mm one at another site recently

        • great to hear :)

  • What sort of roof do you have? I have tiles with ventilation, and the bathroom goes straight into the roof space no issues.

    That price sounds high. I hope they have to do some wiring. A lot of these fans come with a socket, so if you have power in your roof then you can simply plug it in.

    • It's an inline fan, different to the $30 bunnings exhaust fans with a plug

      • inline with a plug i'd guess.

        I've got both inline and ceiling fan. Both go into the roof space.

      • Yeh, i searched online, the inline fan is roughly $263 itself. so $957 - fan, materials, labour and profit.

        Another electrician quoted $512 plus gst for a $70 exhaust fan

    • And have their bathroom fan running 24/7?

      • +1

        not if the socket is switched

    • I have a terracotta roof, previous exhaust fan went into roof space - i think its creating dampness issues :(

      I read online its a good idea now to duct it .

  • +1

    If you have whirlybirds then moisture is not really a problem. They'll exchange the air in the roof space a couple times a day

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