How Effective Are Whirlybirds At Cooling A Roof? Simply put, whirlybirds are not effective at cooling a roof. Many people who buy whirlybirds do so because they are a well-known and seemingly cheap ventilation option. Most whirly birds have an airflow capacity of 100...
Many people are familiar with whirlybirds, what they do and how they work. However, a whirlybird installation comes with a large number of drawbacks that you might not be aware of. Make sure you read up about these surprising facts before you buy a whirlybird of your...