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, you can get the latest release via pip install coolprop. Currently of
• ... other binaries can be downloaded here: latest release and 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