The cost of a new furnace varies widely based on considerations like brand, efficiency, and installation requirements. Prices can typically range from $2,500 to $7,500, including installation. High-efficiency models or those with advanced features may be at the higher end of the spectrum. Local labor costs and any additional components or modifications needed for installation can also impact the overall price. It's advisable to obtain quotes from reputable HVAC professionals for accurate, up-to-date pricing.