Step by step tutorial how to install a whirlybird roof vent. Save money on air conditioning and electricity bills by installing a whirlybird bird roof vent. This will get rid of the trapped hot air in summer while preventing a build up of moisture and condensation in winter which leads to mold issues throughout your house. Simply install 2 whirlybirds and they will automatically circulate with fresh air through your roof cavity leading to a cooler house in summer and a moisture / mould free home. Cheap and easy diy investment which will save you money. For more how to videos LIKE COMMENT and SUBSCRIBE.

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