The answer to 'how much to replace ductless system in my area' is that the cost to replace a ductless HVAC system can vary widely depending on several factors. Typical ranges for a full ductless system replacement can be anywhere from $3,000 to $15,000 or more, depending on the size of your home, the complexity of the installation, and the brand and efficiency level of the new system.
Some key factors that influence the cost include the number of indoor and outdoor units needed, the length of refrigerant lines and electrical wiring required, whether any structural modifications are necessary, and the labor rates in your local area. High-efficiency ductless systems with advanced features will also cost more than basic models.