Average Hourly Cost: The average hourly cost of an expansion valve replacement in an air conditioning repair service is around $150 per hour.

Cost Breakdown: The cost of an expansion valve replacement typically includes the cost of the expansion valve, the labor, and any additional parts or materials that may be needed.

Factors Affecting Cost: The type and quality of the expansion valve, the complexity of the job, and the location and service provider can all affect the cost of an expansion valve replacement. For example, higher quality expansion valves and complex jobs may require more time and cost more than simpler jobs. Additionally, the cost of labor may be higher depending on the location and service provider.