Improved EOS (Equations of State) for refrigerants and natural gas components.

Copy the REFPROP.xla or REFPROP.xlam file into your Excel Add-ins folder to enable property functions directly in spreadsheets.

: Version 9.1 was the first to introduce a 64-bit DLL (REFPRP64.DLL), facilitating integration with modern 64-bit applications. Excel Integration : It uses the REFPRP91.XLA

You can buy and download the most current version (REFPROP 10) directly from the NIST REFPROP Store . The full database typically costs around $325 .

Support for 121 pure fluids and numerous mixtures.

Many universities and large engineering firms host REFPROP on internal servers. If you are a student or employee, check your institution’s software portal or contact your IT department for the .exe installer. Installation and Setup