The answer to 'how much to replace heat exchanger local' is that the cost can vary significantly depending on several factors. As an HVAC expert, I can provide some guidance on the typical range and what influences the pricing.
Replacing a heat exchanger is generally a complex and labor-intensive task, so the cost can range anywhere from $1,500 to $4,000 or more, depending on your location, the specific make and model of your furnace, and the difficulty of the installation. The size of the heat exchanger, the accessibility of the furnace, and any additional repairs or modifications needed can all impact the final price.