Legal Compliance: Using unlicensed software in a professional or academic setting violates copyright laws. How to Access Refprop Legally
. As of early 2026, it remains a paid product, though a limited free "mini" version exists for educational purposes. National Institute of Standards and Technology (.gov) Official Acquisition and Pricing
If your budget does not allow for a commercial REFPROP license, you do not need to resort to illegal downloads. Excellent open-source software packages offer comparable, high-accuracy thermodynamic calculations for free. 1. CoolProp (The Best Free Alternative) refprop 10 free download 2021
: Includes a DLL that allows linking with Excel , Python, MATLAB, and C++.
This comprehensive guide outlines the official capabilities of REFPROP 10, the legal ways to access its calculations for free, and how to purchase the official version. What is REFPROP 10? National Institute of Standards and Technology (
Refprop 10 is a software package developed by the National Institute of Standards and Technology (NIST) to provide a comprehensive database of thermodynamic properties of refrigerants and other fluids. The software allows users to calculate properties such as density, viscosity, thermal conductivity, and heat capacity of various fluids, including refrigerants, hydrocarbons, and other substances.
Cracked versions often have corrupted database files, leading to incorrect engineering designs. CoolProp (The Best Free Alternative) : Includes a
REFPROP 10 is designed to produce highly accurate thermophysical properties for 147 fluids and their mixtures, with uncertainties approaching the accuracy of experimental data.
(Reference Fluid Properties) is a highly specialized engineering software developed by the National Institute of Standards and Technology (NIST) . While users often search for a "free download," it is important to clarify that version 10 is not freeware . Product Overview
The 10th version of REFPROP was a significant milestone. While some sources note the initial release was in 2018, active updates and enhancements continued throughout 2020 and 2021, focusing on performance and usability. Here are some of the most important improvements in REFPROP Version 10: