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The Benefits of Roof Whirlybirds
Eliminates excess heat; reduces mold and moisture; enhances air quality and eliminates odors; is inexpensive to install and free of charge; reduces the need for air conditioning and heating; and comes in Colorbond colors to match any type of roof.
A Quick and Easy Resource for Comparison:
Due to the aforementioned factors, we have created the table below to provide you with a brief summary of the benefits and drawbacks of a roof vent Whirlybird.
Advantages | Disadvantages |
Cheap and easy to install
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Outdated design that depends on wind/airflow
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Free to run
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Frequently noisy operation
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Operate automatically
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Inefficient design that necessitates multiple installations
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Frequent malfunctioning
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Simply put, solar exhaust fans and solar whirlybirds perform superior roof space ventilation than conventional whirlybirds. They are far more effective, move more air, and are much quieter.
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A roof whirlybird is a cylindrical dome that draws warm air out of your roof space by using wind power to create a vacuum. It is inexpensive and simple to install, but keep in mind that you usually get what you pay for.
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Two methods are used by Whirlybirds to remove hot air: convection and vacuuming The wind speed determines the vacuum potential, which removes heat from the roof area. The stronger the wind, the more powerful the extraction. Modern homes may require multiple units, up to four or six
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Do whirlybirds work? Yes. Whirlybirds ventilate your room or area below by drawing hot air out of roof cavities. However, whirlybirds are wind-dependent to function properly. There are numerous justifications for thinking about alternative roof ventilation solutions.
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Whirlybirds, sometimes referred to as turbine vents or roof vents, efficiently cool interior areas. They function by extracting heated air from the roof or attic, which enhances ventilation. However, their reliability depends on adequate wind to spin them. In areas with little wind, their effectiveness may be limited.
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A typical whirlybird can ventilate between 100 and 150 m³/h in winds of up to 12 km/h on its own. A whirlybirds performance will vary from design to design. These variables could include the temperature of the air in your roof space (to allow for air expansion), the size of the whirlybird throat, the wind’s accessibility, and wear.
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One Whirlybird should typically be present on your home for every 50 square meters of roof space. A two-bedroom home typically needs two roof vents, a four-bedroom home needs three roof vents, and a five-bedroom home needs four roof vents or more.
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How Many Whirlybirds Do I Need for a Shed? Generally speaking, a roof requires one roof vent, or whirlybird, for every 50 square meters. The design of the shed and the volume of air that requires ventilation have a major impact on the number of whirlybirds.
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Yes. Whirlybirds Make A Lot Of Noise. If there is a lot of noise coming from your Whirlybird, it indicates that something is broken or not working properly. When whirlybirds are in working order, they are nearly silent and only produce noise when they break. Incorrectly installed or cheap whirlybirds are often susceptible to this.
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Whirlybirds are often installed and then forgotten about, but in order for them to function correctly, they do need to be cleaned and lubricated. They’re also not the most resilient choice because they can be harmed by extreme weather and rust easily.
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Whats the Deal with Ventilation Anyway?
Heat accumulates in your roof space on hot summer days and then radiates through your ceiling. This transfer of heat (and moisture) keeps indoor spaces and rooms warm and can account for approximately 15 to 20 percent of the heat gain during the summer. In these circumstances, temperatures in roof spaces can rise to 60 degrees Celsius. Whirlybirds are a popular choice for mechanical ventilators like solar exhaust fans in homes and businesses, but it’s important to weigh the advantages and disadvantages of these units.
FAQ
How effective are whirly birds?
Do whirlybirds let rain in?
Do whirlybirds help cool house?
Are whirlybirds better than roof vents?