If you require psychrometric analysis without a full software license: Official PDF Downloads : ASHRAE occasionally provides free educational PDFs like Fundamentals of Psychrometrics on platforms like Free Online Calculators : Tools like the Firgelli Psychrometric Calculator offer interactive ways to solve for air-vapor properties. Interactive iOS Chart ASHRAE Psychrometric Chart App
ASHRAE Psychrometric Analysis CD Version 7 is a professional-grade software tool designed to calculate and graphically display complex psychrometric processes. While it was traditionally sold as a physical CD-ROM (and later as a digital download), please note that ASHRAE typically charges for this software; however, some legacy users may still find it bundled in older libraries or academic kits. Key Features of Version 7 Complete Process Analysis
A standout feature of is its Dynamic State Point and Process Analysis . This tool allows you to plot specific air conditions (state points) and connect them to visualize real-world HVAC processes—such as air mixing, cooling, and humidification—while automatically calculating the resulting energy and mass changes. Key Functional Features
To run Version 7 on Windows 10 or 11, you may need to use "Compatibility Mode" or a virtual machine, as the older installers often struggle with 64-bit environments.
Computes thermodynamic properties of moist air based on ASHRAE formulations.