This compilation includes the following materials :Thermodynamic data for 27 refrigerants, covering temperatures from cryogenic to normal rangeFifteen Pressure-enthalpy charts for important refrigerantsSuperheat data for an eco-friendly refrigerantTable of Thermo Physical properties like Thermal Conductivity, Viscosity for six refrigerantsTable of comparative performance of important refrigerantsRelative Ozone Depleting Potential (RODP) and Global Warming Potential (GWP) values for various refrigerants as provided by Environmental Protection Agency are given in table 45The comparative performance parameters like the condenser pressure, evaporator pressure, volume flow per ton, COP and power per ton for various refrigerants for a specified Evaporator and Condenser temperatures namely--15 oC and 40 oCData for quick calculation of Relative humidity using the difference between DBT and WBT are provided in another tableTwelve Data tables for Air Conditioning System DesignTables and chart for Air Conditioning Duct Design and SelectionTable of Pressure Loss Coefficient for Elbows and BendsPsychometric chart.