5 Comment

  • whirlybird vent…

  • It is a ventilation device normally used to help ventilate an attic or a crawl-space. They typically help avoid moisture from building up and leading to mold growing in your attic.

  • ah

    Strange — it should be mounted closer to the peak of the roof to exhaust the hottest air.

  • funny you should mention this, since I was doing some research on these a few months back. here’s your answer

    chimney cowl… but i like @Matt G – \whirlybird vent\

  • In Scotland, I’ve heard these called ‘Whirly Grannies’.

    They are often used on chimneys to prevent downdraughts – as the wind spins them, they suck the air up.

Comments are closed.