The answer to 'how much does heat exchanger cost in Chicago' is that the cost of a new heat exchanger can vary significantly depending on factors like the size and efficiency of the unit, the complexity of the installation, and the labor rates in your local area. In general, you can expect to pay anywhere from $1,000 to $3,000 or more to have a heat exchanger replaced by a professional HVAC technician in the Chicago area.
The exact cost will depend on your specific system and home, so it's important to get quotes from multiple local HVAC companies to compare prices. They will be able to assess your system and provide a detailed estimate. Keep in mind that more energy-efficient models may cost more upfront but can save you money on utility bills in the long run.