12/28/2023 0 Comments Roof vents for tile roofs![]() What is strange, though, is that they underperform almost every roof ventilation alternative on the market today. In Australia, whirlybirds are one of the most popular roof ventilation systems. For many, this makes the solar option the clear winner. Product Cost: Now that solar technology has drastically reduced in cost, the price difference between main-powered roof ventilation and solar-powered roof ventilation is actually quite small.Sleek Design: Again, much like with the solar-powered alternative, main-powered roof ventilation can help to maintain the aesthetics of a property by not overwhelming the roof space with bulky fans poking out of the roof.While it won’t be a huge outlay, the costs do add up over time. Cooling Costs: One of the main drawbacks of main-powered roof ventilation is that in addition to the setup cost and maintenance costs, you also have to pay for the extra electricity you are drawing from the power grid.The main advantage is that main-powered roof ventilation can run at night as well. This means only one or two of either would be more than enough for 90% of Australian houses. Airflow: In terms of function, the performance of solar and main powered roof ventilators are essentially equal.Things break over time, and they can be costly to repair when they do.Ĭoming in second to the leader in the category, main-powered roof ventilation is a far better option than a passive cooling system like a whirlybird for many reasons. Maintenance: One of the major drawbacks fo any powered ventilation system is that they do require more maintenance than their passive alternatives.The ‘Sunlight Dilemma’: As you know, solar roof ventilation only works when the sun is out, which is a significant disadvantage in winter months where sunlight is in shorter supply but moisture still needs to be removed from the roof space.While you won’t need to have 10 of them like you would a whirlybird, it will still take you around 10 – 15 years for the energy savings of these devices to pay for themselves. ![]() That is not including the installation cost either, which will be $200 – $500 per ventilator. For most homes, you will need two solar ventilators at $500 – $1000 each. Product Cost: One of the major drawbacks of solar is the cost of the product and installation.With solar-powered ventilation, you can reduce the number to one or two, and greatly improve the aesthetics of the property. Sleek Design: For many, a house with 10+ whirlybirds poking out of the roof is an eyesore.This means you can drastically improve the air quality of a home without adding to its energy bill. Cooling Costs: As you know, anything solar is basically free to operate from the time you install it other than minor maintenance here and there.If you compared that to whirlybirds, you’d need around 15 to do the same job. Airflow: They move thousands of cubic metres of air per hour, which means that an average Aussie home would only need one and a large home would need two.In our opinion, solar roof ventilation fans are the king of the powered ventilation category for quite a few reasons. Depending on the budget and requirements of your project, either one or both may fit your needs. In Australia, the two most popular forms of powered roof ventilation systems are solar-powered and mains-powered. In this guide, we will be diving into what we consider the best ventilation options on the Australian market, from powered to passive so that you can make a confident decision. It’s common sense for those in the industry… but even for those in the know, it can be overwhelming trying to sort through all of the ventilation options available. In a land of extreme weather like Australia, choosing the right roof ventilation system is essential to keeping a house comfortable, energy-efficient, and free from the risks of mould and moisture damage.
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