NIST offers a limited executable for academic and personal use. It includes only 12 fluids (water, CO2, R134a, propane, etc.) and prohibits mixture creation. Download from the official NIST website—no license key needed.
If the free alternatives don’t suffice, here’s how to purchase REFPROP 10 without breaking the bank:
Purchasing gives you the official installer, a unique license key, unlimited tech support, and access to the NIST REFPROP user forum.
Use trial or academic access
Use open-source and free alternatives
Reproduce needed correlations from published literature
NIST offers a limited executable for academic and personal use. It includes only 12 fluids (water, CO2, R134a, propane, etc.) and prohibits mixture creation. Download from the official NIST website—no license key needed.
If the free alternatives don’t suffice, here’s how to purchase REFPROP 10 without breaking the bank:
Purchasing gives you the official installer, a unique license key, unlimited tech support, and access to the NIST REFPROP user forum.
Use trial or academic access
Use open-source and free alternatives
Reproduce needed correlations from published literature