The answer to 'how much to fix central air in my area' is that the cost to repair a central air conditioning system can vary widely depending on several factors. Generally, minor repairs like refrigerant refills or thermostat replacements can range from $150 to $500, while more significant issues like compressor failures or duct work repairs can cost $1,000 to $4,000 or more.
The exact cost will depend on your local HVAC technician's rates, the extent of the repairs needed, the age and efficiency of your system, and whether any parts need to be replaced. It's best to get quotes from multiple licensed and insured HVAC contractors in your local area to get the most accurate estimate for your specific situation.