Ans: The cost of cleaning a car's AC system can vary widely depending on the extent of the cleaning needed and where you have the service performed. On average, a basic cleaning service may range from $50 to $100, which typically includes cleaning the evaporator coil and air ducts. However, if there are more significant issues or if additional components need replacement, the cost can increase. It's advisable to obtain quotes from local automotive service providers for an accurate estimate based on your specific situation.