While REFPROP 10 is a commercial software that requires a paid license from the National Institute of Standards and Technology (NIST), you can legally access parts of its functionality for free through several official and open-source alternatives: 1. Official "mini-REFPROP" (Free Student Version)
By following the steps outlined in this article, you can download Refprop 10 for free in 2021 and start using it to calculate the properties of refrigerants and other fluids. refprop 10 free download 2021
Professional use; includes 147 pure fluids and advanced mixture models. Upgrades Paid ($125) While REFPROP 10 is a commercial software that
Security Threats: Unofficial installers often contain malware or trojans. Included Fluids: Water, CO2cap C cap O sub
NIST provides a free, streamlined version called mini-REFPROP. This is designed as a teaching tool and is perfect if you only need to work with common fluids. Included Fluids: Water, CO2cap C cap O sub 2 R134acap R 134 a