The answer to 'how much to replace HVAC system local' is that the cost to replace an HVAC system can vary widely depending on several key factors. As an expert HVAC technician, I can provide some general guidance on the typical range and what influences the pricing.
The total cost to replace a home's HVAC system will usually fall within a range of $3,000 to $12,000 or more, depending on the size of your home, the efficiency rating of the new equipment, any necessary ductwork modifications, and labor costs in your local area. Higher-end systems with advanced features can push the price up towards the higher end of that range.