The answer to 'HVAC system installation cost' is that the cost can vary widely depending on several factors. Generally, the total cost for a new HVAC system installation can range from a few thousand dollars to over $20,000, with most homeowners spending between $5,000 to $15,000.
The key factors that influence the cost include the size and efficiency of the HVAC equipment, the complexity of the installation, the type of fuel source (electric, gas, or heat pump), the accessibility of the installation site, and the labor costs in your local area. Additional factors like ductwork modifications, permits, and disposal of old equipment can also add to the total price.