Many homeowners turn to insulation to control the amount of heat that penetrates the ceiling from their roof space. Insulation slows down the penetration, but it doesn\u2019t stop it. They may find that without ventilation, insulation acts as a heat trap, or a sponge. Others turn to passive ventilation, or roof whirlybirds to allow heat to be exhausted from their roof space. Whirlybirds in principle are great, but their patented design concept is over a century old and modern alternatives are offering tenfold higher airflow capacities.<\/p>\n
One dedicated active-powered roof ventilator (think solar ventilators or mains powered roof ventilators) can perform up to 40\u00d7 better than a standard domestic roof whirlybird. On top of this immense heat extraction capacity, a roof ventilator can also reduce moisture & condensation levels in your roof space \u2013 and even if your house if installed correctly. This is especially important to prevent mould colonies from growing and avoid structural rot in your roof-space! Remember, any roof ventilation is only effective if replacement air for the extracted warm and\/or moist air is available.<\/p>\n
It\u2019s important to note that roof ventilation doesn\u2019t replace an air-conditioner, but it\u2019s immensely helpful in keeping a home cooler and reducing the cost of air-conditioning. If you\u2019re serious about bringing down your energy costs for air conditioning, or simply want a more comfortable, fresher and drier home, consider seeing a roof ventilation specialist at the Brisbane Home Show!<\/p>\n
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