1. Trends in Variable Refrigerant Flow (VRF) Systems -- 2. Evaluation of Ignition hazard of alternative refrigerant for VRF system -- 3. Flow boiling heat transfer of low GWP refrigerants with the entrancement of lubricating oil -- 4. Analysis of Air Side Cooling and Dehumidification Performance in Evaporator in Direct Expansion (DX) Variable Refrigerant Flow (VRF) Air Conditioning (A/C) System Aiding to the Optimum Design Of Evaporator -- 5. The Recent Solutions for Enhancing Energy-Saving Potential of VRF Technologies -- 6. Energy Efficient Variable Refrigerant Flow Systems for Modern Buildings -- 7. Behaviour and Performance Evaluation of VRF System Under Controlled Environment -- 8. Air Enthalpy Method for Calculation of Thermal Capacity of Installed VRF System -- 9. Field Test and Evaluation of Variable Refrigerant Flow (VRF) System -- 10. Variable Refrigerant Flow (VRF) System Field Test and Data Analysis Methodologies.