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1. • Yes

     • Yes eave vents make whirlybirds more effective. The more cool air you can get in to the roof, the more hot air you can get out. Eave vents are essentially intake valves, allowing cool fresh air to be drawn in through the eaves at the bottom of the roof.
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     FAQ – Whirlybird and Roof Ventilation Experts

2. People also ask

   Do whirly birds need vents?

   • They require vents (either in the eaves or in the ceiling of the house) to let cooler air in as the warm air is expelled through the turbine. So, if you are getting whirly birds installed, make sure that there are adequate ceiling vents to allow air replacement. Also, whirlybirds are less effective if you have no sarking under the roof.

   How effective is a whirly bird at cooling the roof?

   theroofingprofessionalswestside.com.au/faq-how-effective-is-a-whirly-bird-at-cooling-my-roof/

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   Why do you need whirlybird ventilation?

   • As moisture builds up in your roof space, it can lead to mould and mildew problems. Having adequate whirlybird ventilation means that this moisture can evaporate the roof space. This means that there is a reduced risk in mould and mildew buildup. After weighting up the first 6 common misconceptions, it’s easy to see the advantages.

   7 Common Misconceptions About Whirlybirds

   whirlybirdperth.com.au/2019/09/20/7-common-misconceptions-about-whirlybirds/

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   Are Whirlybirds effective?

   • Also, whirlybirds are less effective if you have no sarking under the roof. A closed attic space is needed to force the whirly bird to draw air through the vents. Otherwise the whirly bird will just draw air through the gaps in the roof tiles locally and not produce much cross ventilation.

   How effective is a whirly bird at cooling the roof?

   theroofingprofessionalswestside.com.au/faq-how-effective-is-a-whirly-bird-at-cooling-my-roof/

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   Which whirlybird ventilation should I buy?

   • For that reason, we recommend the Edmonds range of whirlybird ventilation. Whirlybirds are one of the smartest home improvements you can make. Think of them like lifting a lid of a boiling pot of water, or the extractor fan in your bathroom. When hot air rises, it get’s trapped in your roof space.

   7 Common Misconceptions About Whirlybirds

   whirlybirdperth.com.au/2019/09/20/7-common-misconceptions-about-whirlybirds/

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   How effective is a Whirly Bird for a roof?

   • A closed attic space is needed to force the whirly bird to draw air through the vents. Otherwise the whirly bird will just draw air through the gaps in the roof tiles locally and not produce much cross ventilation. So, how effective a whirly bird will be for your roof depends on what sort of roof you have…

   How effective is a whirly bird at cooling the roof?

   theroofingprofessionalswestside.com.au/faq-how-effective-is-a-whirly-bird-at-cooling-my-roof/

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   Will a whirlybird work on a tiled roof?

   • A whirlybird will work better on a tiled roof as you create a small cross flow. Air can enter through the tiles and push heat out the whirlybird. Unlike metal roofs, there isn’t as much need for eave vents. Whirlybirds are designed to spin in even in the lightest winds. Whirlybirds extract hot air via two ways; convection and creating a vacuum.

   7 Common Misconceptions About Whirlybirds

   whirlybirdperth.com.au/2019/09/20/7-common-misconceptions-about-whirlybirds/

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3. whirlybirdperth.com.au › 2019/09/20 › 7-common7 Common Misconceptions About Whirlybirds

   whirlybirdperth.com.au › 2019/09/20 › 7-common

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   Sep 20, 2019 · This means that heat and moisture are still trapped in the roof space. A whirlybird will work better on a tiled roof as you create a small cross flow. Air can enter through the tiles and push heat out the whirlybird. Unlike metal roofs, there isn’t as much need for eave vents.

   • Windmaster

     Trust the name in all things whirlybirds and ventilation....

4. www.roofventilationblog.com.au › whirlybirds-prosWhirlybirds Pros and Cons: Are They Really Effective?

   www.roofventilationblog.com.au › whirlybirds-pros

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   Jul 21, 2023 · Whirlybirds primarily focus on expelling hot air and promoting ventilation. If moisture control is a significant issue in your roof spaces, it will almost always be necessary to install multiple whirly birds or consider alternative ventilation options or additional moisture management strategies.

5. evobuild.com.au › what-is-a-whirlybird-benefitsWhat is a Whirlybird? Benefits and Disadvantages

   evobuild.com.au › what-is-a-whirlybird-benefits

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   • What Is A whirlybird?
   • How Do Whirlybirds Work?
   • Whirlybird Disadvantages
   • Whirlybirds Wrapped Up

   Whirlybirds, or turbine vents to give them their proper name, are wind-powered ventilation systems used to cool down properties in warmer climates. Whirlybirds minimise excessive temperatures in summer and remove excess humidity and dampness in the winter. Whirlybird installation is cost-effectiveto make your home more energy-efficient and ventilat...

   See full list on evobuild.com.au

   The cylindrical dome sits firmly in the roof space of a property where its specifically engineered fins rotate in the wind, spinning to create a vacuum that extracts hot air from the walls. On warm days, the sun’s heat penetrates properties through the roof cavity and ceiling, making the inside uncomfortable and unpleasant. Whirlies’ design aims to...

   See full list on evobuild.com.au

   While there are many advantages to choosing whirlybird ventilators for your home, there are some potential downsides. Let’s take a look at some things you may need to consider.

   See full list on evobuild.com.au

   While there are several pros and cons to having whirlybird ventilators installed on your roof space, deciding to go with them over other options largely depends on external factors. Compared to other available ventilation systems, whirlybirds are great for the environment because they are cheap and use no electricity. Some may argue that whirlybird...

   See full list on evobuild.com.au

6. Videos

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     28:21

     youtube.com

     Understanding Roof Ventilation & Venting Options (Ridge, whirlybird & Box Vents)

     6 Apr 2023

     214.5K views

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     5:01

     youtube.com

     How to install a Lomanco WhirlyBird® Turbine Vent - Add ventilation your roof's attic space.

     10 Jan 2014

     804.9K views

   • 

     7:52

     youtube.com

     How to install a Whirlybird roof vent on a TILED roof | DIY

     1 Jul 2022

     18.8K views

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7. evobuild.com.au › 7-interesting-facts-about7 Interesting Facts About Whirlybirds That Will Amaze You

   evobuild.com.au › 7-interesting-facts-about

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   • They offer passive, energy-efficient ventilation. One interesting fact about whirlybirds is that they can be used to ventilate buildings in a passive, energy-efficient way.
   • But, they need a lot of wind. If the vents don’t spin, the ventilation system doesn’t work. Australia does not offer the windiest of climates. Therefore, on those still, hot, sticky summer days, a whirlybird may not offer the relief a residential home requires.
   • They are low-maintenance. In addition, whirlybirds are relatively low-maintenance and can last for many years with minimal upkeep. The products themselves are relatively cheap compared to other ventilation options, and installing them on your roof is a painless experience.
   • They minimise mould. One of the significant advantages of whirlybirds is that they remove excess moisture, meaning less chance of dampness and the hassle and potential health risks associated.

8. theroofingprofessionalswestside.com.au › faq-howHow effective is a whirly bird at cooling the roof?

   theroofingprofessionalswestside.com.au › faq-how

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   Oct 16, 2013 · The diagram shows how a whirly bird can ventilate the ceiling space. Whirly birds just by themselves are not very effective. They require vents (either in the eaves or in the ceiling of the house) to let cooler air in as the warm air is expelled through the turbine.

9. www.allcoastroofing.com.au › blog › whirlybirds-whatWhirlybird Installation: What It Is, Costs, and Process

   www.allcoastroofing.com.au › blog › whirlybirds-what

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   Ridge Vents: Installed along the roof peak, ridge vents provide continuous ventilation to balance airflow throughout the attic or roof space. Soffit Vents: Placed under the eaves, soffit vents allow fresh air to enter the attic or roof space, preventing moisture buildup.

10. www.roofandrender.com.au › the-advantages-andThe Advantages and Disadvantages of Whirlybirds - Roof ...

    www.roofandrender.com.au › the-advantages-and

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    The best way to combat this is a combination of insulation and ventilation. One of the most popular options for roof ventilation is the commonly seen whirlybird. A whirlybird is a cylindrical dome that spins in the wind, creating a vacuum which extracts warm air from the roof cavity.