Average Hourly Cost: The average hourly cost for a blower motor speed control replacement in a furnace repair service is typically around $100 - $125 per hour. This cost can vary depending on the type and quality of the parts used, the complexity of the job, and the location and service provider.

Cost Breakdown: The cost of a blower motor speed control replacement typically includes labor, parts, and any additional materials needed to complete the job. Labor costs can range from $50 - $75 per hour, while parts and materials can range from $50 - $75. The total cost of the job can vary depending on the complexity of the project and the type of parts used.

Factors That May Affect Cost: The cost of a blower motor speed control replacement can vary depending on the type and quality of the parts used, the complexity of the job, and the location and service provider. The type and quality of the parts used can affect the total cost, as higher quality parts can be more expensive. The complexity of the job can also affect the cost, as more complex projects require more time and labor. The location and service provider can also affect the cost, as some providers may charge more for their services.