The answer to 'how much to fix system upgrade in Chicago' depends on several factors, but typical HVAC system upgrades in the Chicago area can range from $3,000 to $12,000 or more. The cost can vary widely based on the size of your home, the type of system you need, the efficiency rating, and any additional ductwork or electrical work required.
It's essential to get quotes from multiple local HVAC contractors to understand the specific costs for your home. They will be able to assess your current system, recommend the best upgrade options, and provide an accurate estimate for the work. Upgrading your HVAC system is a significant investment, so it's important to do your research and find a reputable, licensed contractor who can provide quality work at a fair price.