The answer to 'how much to fix replacement in Illinois' is that the cost can vary widely depending on several factors. Generally, HVAC replacement costs in Illinois can range from a few hundred dollars for a minor repair to several thousand for a full system replacement. The exact price will depend on the type of equipment, the complexity of the installation, the size of your home, and your location within the state.
It's important to get quotes from multiple licensed and insured HVAC contractors in your local area, as they will be able to provide the most accurate estimate based on your specific needs and circumstances. They can also advise whether a repair or full replacement is the best option for your home.