The answer to 'how much to fix central air in Chicago' is that the cost can vary widely depending on several factors. Generally, the average cost to repair a central air conditioning system in the Chicago area ranges from $150 to $800, but this can be higher for more complex issues.
Some key factors that influence the cost include the age and condition of the system, the specific problem that needs to be addressed, the brand and model of the unit, the accessibility of the system, and the labor rates in your local area. Repairs for issues like a broken compressor, refrigerant leaks, or electrical problems tend to be on the higher end of that range. Regular maintenance and tune-ups are typically less expensive.