The answer to 'how much does replacement cost local' is that the cost of HVAC system replacement can vary widely depending on several factors. Generally, you can expect to pay anywhere from $3,000 to $12,000 or more for a full HVAC system replacement, including the unit, installation, and any necessary ductwork modifications.
The exact cost will depend on the size of your home, the type and efficiency of the new system, the complexity of the installation, and your local labor and material costs. Larger homes, higher-end systems, and more involved installations will be on the higher end of that range. It's important to get quotes from multiple local HVAC contractors to find the best price for your specific situation.