The cost of a Variable Refrigerant Flow (VRF) AC system can vary significantly depending on several factors such as the size of the installation, brand, complexity of the project, and local market conditions. Generally, VRF systems tend to be more expensive upfront compared to traditional HVAC systems due to their advanced technology and individual zone control capabilities. On average, installation costs for VRF systems can range from $30 to $50 per square foot of conditioned space. Additionally, ongoing maintenance and operational costs should be considered, including regular servicing, repairs, and energy consumption. It's essential to consult with HVAC professionals to assess your specific needs and budget constraints accurately before investing in a VRF AC system. For more information :https://www.lg.com/in/business/air-solution/vrf/