The answer to 'how much does heat exchanger cost local' is that the cost of a heat exchanger replacement can vary widely depending on several factors. Generally, homeowners can expect to pay between $1,000 to $3,000 for a new heat exchanger installation by a professional HVAC technician. The exact cost will depend on the size and model of your furnace, the complexity of the installation, and your local labor rates.
Heat exchangers are a critical component of your furnace, so it's important to have them inspected and replaced by a qualified HVAC professional when needed. Attempting a DIY heat exchanger replacement is not recommended, as improper installation can be dangerous and lead to further issues with your heating system.