The answer to 'how much does furnace cost in Illinois' is that the cost of a new furnace in Illinois can vary widely depending on several factors. Typical ranges for a new furnace installation can be anywhere from $2,000 to $6,000 or more, depending on the size of your home, the type of furnace, and the complexity of the installation.
Some key factors that influence the cost of a new furnace include the fuel type (gas, electric, or oil), the efficiency rating, the brand and model, the size or BTU capacity needed for your home, and any necessary ductwork modifications. Labor costs for installation can also vary based on your location and the complexity of the job. It's best to get multiple quotes from local HVAC contractors to get an accurate estimate for your specific needs.