Refprop 91 Install 2021 Jun 2026

Click Install and wait for the process to finish. Click Finish to close the setup wizard. Step 2: Configuring System Environment Variables

REFPROP's true utility comes from its API hooks into programming languages and spreadsheet software. Here is how to configure the most common integrations. 1. Microsoft Excel Integration

Windows XP through Windows 11 (32-bit or 64-bit). Disk Space: Approximately 100 MB of free storage.

If you previously had Version 7 or 8, search your computer for old Refprop.dll files (especially in System32 ) and delete them to prevent version conflicts.

menu, she browsed to her folder and enabled the link, ensuring the "Refprp91" box was checked. The Proof: She typed a magic formula: =Density("water","TP","SI",300,1) refprop 91 install

Before beginning, ensure your system meets these basic needs:

Critical Note : If you plan to use REFPROP with third-party wrappers (like Python or MATLAB), changing this path to a simple directory without spaces, such as C:\REFPROP , can prevent path-parsing errors later.

Click and paste the exact path to your REFPROP directory (e.g., C:\REFPROP or C:\Program Files (x86)\REFPROP ). Click OK on all open windows to save the changes.

In the world of thermodynamics, chemical engineering, and HVAC system design, few tools are as revered as (Reference Fluid Thermodynamic and Transport Properties). Developed by the National Institute of Standards and Technology (NIST), this software provides accurate thermophysical properties for hundreds of pure fluids and mixtures. Click Install and wait for the process to finish

Many third-party programs cannot find REFPROP because its folder isn't registered in the Windows system path. Adding it manually prevents most connection errors.

Tip: If you plan to interface REFPROP with Python, MATLAB, or Excel, consider changing this path to a simple, space-free directory like C:\REFPROP . This prevents file path syntax errors in external code. Step 4: Choose Components Ensure all components are selected, including: Core fluid files ( .FLD and .MIX ) Graphical User Interface (GUI) executable Help documentation and sample files

Ensure "Refprop" is checked in the list. You can now use functions like =PropSI(...) . MATLAB Integration

To call REFPROP 9.1 globally from command lines, IDEs, or programming environments, you must add its directory to your system's PATH environment variable. Here is how to configure the most common integrations

If prompted by Windows User Account Control (UAC), click . Step 2: Choose the Installation Directory The wizard will suggest a default path.

Click and navigate to your REFPROP installation directory. Select the file named REFBRO32.XLA or REFPROP.XLA . Check the box next to REFPROP and click OK to activate it. Python Integration Open your command prompt or terminal.

Go to , click Add-Ins , and select Go... at the bottom.

Excel blocks the .xlam macro file due to strict security settings.