The answer to 'how much to fix central air in my area' is that the cost can vary significantly depending on several factors. Generally, the typical range for repairing a central air conditioning system can be anywhere from a few hundred dollars to several thousand dollars.
The exact cost will depend on the specific issue with the system, the age and condition of the equipment, the accessibility of the system, the cost of labor and parts in your local area, and whether any additional work is required like ductwork repairs or replacement. It's best to get quotes from multiple HVAC contractors in your local area to get an accurate estimate for your particular situation.