Your air duct system expands and contracts throughout the year due to changes in temperatures. Over time, these changes can cause hour ductwork units to suffer from wear and tear, resulting in the loss of air. Cracks, leaks and holes developed over time in your air duct system hike up your electricity bills and contribute to deteriorated indoor air quality. Damaged air ducts and vents also affect the efficiency of your HVAC unit and invite toxic airborne particles such as dust, debris and allergens to accumulate in your ductwork. This is why you must get your ductwork professionally repaired with the help of highly skilled duct repair Perth specialists.