The answer to 'how much does furnace cost in Illinois' is that the cost of a new furnace can vary widely depending on several factors. Typical ranges for a standard residential furnace installation in Illinois can range from around $3,000 to $8,000 or more, depending on the size, efficiency rating, brand, and complexity of the installation.
Some key factors that influence furnace replacement costs include the type of fuel (gas, electric, or oil), the BTU output required for your home's size, the energy efficiency rating, and any necessary ductwork modifications. Additionally, labor costs from HVAC contractors can vary by location within Illinois. Getting multiple local quotes is essential to understanding the true cost for your specific home and needs.