Average Hourly Cost: The average hourly cost of air duct leak repair in the air duct cleaning service category is around $100-$150 per hour.

Cost Breakdown: The cost of air duct leak repair can vary depending on the type and quality of the accessory, the complexity of the job, and the location and service provider. Generally, the cost includes labor, which can range from $50 to $100 per hour, and materials, which can range from $50 to $100 per hour.

Factors Affecting Cost: The type and quality of the accessories used for the repair can affect the cost of the repair. Additionally, the complexity of the job, such as the number of ducts that need to be repaired, can also affect the cost. The location and service provider can also have an impact on the cost, as prices can vary from one provider to another.