CoolProp is a thermophysical property database and wrappers for a selection of programming environments. It offers similar functionality to REFPROP, but CoolProp is open-source and free. It was originally developed by Ian Bell, currently a post-doc at the University of Liege, in Liege, Belgium.

• CoolProp has flexible licensing terms: Commercial - ok! Academic? - ok!
• For Python, get the latest release via pip install coolprop
• ... other binaries are available from SourceForge
• There is also a bleeding edge nightly build of the development version .
• The documentation is available for the latest release and the development version
• Please, if there are any issues of any kind, file an issue here
• ... you might also find answers in our FAQ
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