vrf indoor unit is a type of HVAC system that works by using a condenser and evaporator set to balance the temperature in different locations. It’s designed for large buildings that often need varying temperatures in different rooms or floors such as hotels, office spaces, or theaters. The system can be made up of individual units or connected refrigeration and air-handling systems. This efficient and economical system reduces energy bills while providing a comfortable and consistent environment throughout the building. VRF indoor unit systems also offer superior design flexibility when compared to traditional HVAC systems.