While the thermostat may only register temperatures reaching the high thirties and early forties, you may not be aware that in roof spaces, the mercury can reach as high as 70°c. This happens by heat radiating downwards, causing discomfort in living areas and forcing air conditioners to work even harder. That means reduced energy efficiency and higher energy bills. Similarly, wet weather days can also impact roof ventilation. A build up of moisture can lead to mould spreading throughout the ceiling and on walls,with mildew, rot and peeling paintwork the result.
Whirlybirds help solve these problems. Specifically designed to remove hot air and moisture from roof cavities, a whirlybird installation can replace summer heat and winter damp with fresh air, resulting in reduced energy costs and dry, more effective insulation.
Operating without electricity, a whirlybird installed professionally can:
Contrary to misperceptions about whirlybirds, they are not noisy – unless they have broken – and they do work even with a low wind factor.
Ready for a cooler roof? Talk to one of our friendly team to find out the best ventilation solution for your home.
about Whirlybirds installation
The good news is, yes, whirlybirds are effective at reducing heat in roof cavities. They also help to reduce moisture that accumulates during colder months and extended periods of wet weather. This in turn reduces the likelihood of damp setting into the ceiling and mould growth. When used in conjunction with high quality insulation, whirlybirds can reduce temperatures significantly, allowing air conditioners to function optimally.
Choosing the right location for your whirlybird is key and best selected with the advice of a professional. We typically recommend the highest point of your roof, where the whirlybird can catch the most wind. It is also important to ensure there is sufficient room around the whirlybird for it to spin freely, without hitting any obstructions.
Our professional team will select the best location, then measure out and cut a 300 millimetre wide hole in the roofing. The whirlybird is attached via a base plate, then checked to ensure it spins freely. With over a decade of experience installing whirlybirds, our crew will correctly seal the edges of the base plate to prevent water from leaking into the roof cavity. Waterproof flashing around the base of the whirlybird can also ensure it is fully waterproof.
Yes, whirlybirds are eco-friendly. Using nothing but wind power to operate, whirlybirds use no electricity, and as such, are highly energy efficient. By ventilating the space in a ceiling cavity that is notoriously hot in summer, a whirlybird can support your airconditioner to operate at its most efficient.
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