The answer to 'how much to replace furnace repair' is that the cost to replace a furnace can vary widely, typically ranging from $2,000 to $10,000 or more. The exact cost will depend on factors like the size and efficiency of the new furnace, the complexity of the installation, and your local labor rates.
In general, higher-efficiency furnaces, larger homes, and more complex installations will be on the higher end of that range. You'll also need to factor in the cost of any necessary ductwork modifications or other related repairs. Getting quotes from multiple local HVAC contractors is essential to understanding the true cost for your specific home and needs.