The answer to 'how much to replace HVAC repair in Chicago' is that the cost can vary widely depending on several factors. HVAC system replacements in the Chicago area typically range from $4,000 to $12,000 or more, with the average falling around $7,000 to $9,000. The exact price will depend on the size and complexity of your home, the type of HVAC system being installed, and the reputation and expertise of the HVAC contractor you hire.
It's important to get quotes from multiple local HVAC companies to compare prices and services. Be sure to consider factors like energy efficiency, warranty coverage, and the company's reputation for quality work and customer service when making your decision.