Refprop 10 Free — Download 2021
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.
If you want, I can:
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Refprop 10 (Reference Fluid Thermodynamic and Transport Properties) is the gold standard software developed by NIST for calculating the properties of industrial fluids. If you are searching for a "refprop 10 free download 2021," it is important to understand the software’s licensing, its capabilities, and how to access it legitimately. What is NIST Refprop 10?
Refprop is used by engineers and researchers to obtain highly accurate data on refrigerant mixtures, hydrocarbons, and common inorganic fluids. Version 10 introduced significant upgrades, including:
New equations of state for ammonia, carbon dioxide, and helium.
Improved calculation speeds for complex mixture flash routines. Enhanced Excel Add-in features for better data integration. Expanded library of natural and synthetic refrigerants. The Reality of Free Downloads
NIST Refprop is a proprietary database. While many websites claim to offer a "free download" for the 2021 version, these often involve significant risks:
Security Threats: Unofficial installers often contain malware or trojans.
Data Inaccuracy: Cracked versions may have corrupted property tables, leading to dangerous engineering errors.
Legal Compliance: Using unlicensed software in a professional or academic setting violates copyright laws. How to Access Refprop Legally
If you need the software for your projects, there are several legitimate paths to take:
NIST Standard Reference Data (SRD) Store: The official version must be purchased through the NIST website. Once purchased, you receive a permanent license and access to updates.
Academic Licenses: Many universities provide Refprop to students and faculty through departmental licenses. Check with your university's IT or Engineering office before buying a personal copy.
Refprop Mini: NIST previously offered a "Mini-Refprop" version for free. While limited to a few fluids (like water and air), it is a safe and legal way to test the interface.
Python and MATLAB Wrappers: While the core engine is paid, many open-source wrappers (like ctREFPROP) are free to download on GitHub to help you interface with your licensed version. Alternatives to Refprop
If your budget is zero and you need thermodynamic data, consider these high-quality open-source alternatives:
CoolProp: The most popular free alternative. It is C++ based, open-source, and integrates seamlessly with Python, MATLAB, and Excel. refprop 10 free download 2021
NIST Chemistry WebBook: A free online portal that allows you to generate property tables for various fluids without installing software.
DWSIM: A free, open-source chemical process simulator that includes built-in property packages for engineering calculations. Conclusion
While the search for a "refprop 10 free download 2021" is common, the safest and most reliable way to use this industry-standard tool is through official channels. For those who cannot afford the NIST license, CoolProp remains the best free resource for professional-grade thermodynamic calculations.
NIST REFPROP 10 is a professional software program for predicting the thermophysical properties of industrial fluids, developed by the National Institute of Standards and Technology (NIST) . It is not available as a free download for the full version. Official Purchasing & Pricing
REFPROP is distributed as a commercial product to fund its continued development. Official pricing as of early 2026 includes:
Full Single-User License: $325.00 for the single-user version on Shop NIST.
Version Upgrade: $125.00 for users upgrading from version 9.x to 10.x.
Site Licenses: Available for organizations, with discounts starting at 25 users. Existing site license customers receive a 50% discount on upgrades. Legitimately Free Options
If you are looking for a "free" version, NIST provides a restricted version for educational purposes:
mini-REFPROP: A free sample version intended as a teaching tool.
Limited Fluids: Includes only a few common fluids like water, CO2cap C cap O sub 2 R134acap R 134 a
, nitrogen, oxygen, methane, propane, helium, hydrogen, and dodecane.
Functionality: Allows basic calculations and is meant to introduce students to thermodynamics. Key Features of Version 10
Version 10, originally released in 2018 with ongoing updates, introduced several major enhancements over previous versions:
Expanded Database: Includes models for 147 pure fluids and 5 pseudo-pure fluids (like air). New Fluids: Added refrigerants like R1234yfcap R 1234 y f , plus various hydrocarbons and solvents.
Improved Accuracy: New reference equations of state for ammonia, helium, and heavy water.
Software Integration: Includes a DLL that allows linking with Excel , Python, MATLAB, and C++.
Optimization: Highly optimized Fortran code for faster calculation speed and better convergence. Important Licensing Note REFPROP | NIST
full version of REFPROP 10 is not available for free download , as it is a proprietary software maintained by the National Institute of Standards and Technology (NIST) . However, a free educational version called mini-REFPROP is available for students and educators. If the free alternatives don’t suffice, here’s how
Below is a blog post structure designed to clarify the licensing, free alternatives, and how to legally acquire the software.
Navigating REFPROP 10: Downloads, Licenses, and Free Alternatives
If you are a chemical engineer, researcher, or student, you’ve likely come across NIST REFPROP
(Reference Fluid Thermodynamic and Transport Properties Database)
. It is the industry standard for calculating the thermodynamic and transport properties of industrially important fluids. With the release of Version 10
, many users are searching for "REFPROP 10 free download" options. Here is what you need to know about the current licensing and how to get started without breaking the bank. 1. Is there a free version of REFPROP 10? The short answer is
, the full database is a paid resource. NIST charges for the software to support the ongoing research and maintenance required for its high-accuracy models. Full Version Cost : Currently, a single-user license for NIST REFPROP 10
: If you already own a 9.x license, you can upgrade to Version 10 for a reduced fee of 2. The Legal "Free" Option: mini-REFPROP
For students or those who only need basic calculations, NIST provides mini-REFPROP 10.0 , a completely free sample version. What’s included : It features a limited selection of pure fluids, including
water, CO2, R134a, nitrogen, oxygen, methane, propane, helium, hydrogen, and dodecane , plus air.
: Teaching introductory thermodynamics and vapor-liquid equilibrium (VLE). Where to get it : You can download it directly from the NIST Thermodynamics Research Center 3. Key Features of REFPROP 10
If you are considering the full version, Version 10 (released in 2018) offers significant improvements over previous iterations: REFPROP | NIST
The full version of REFPROP 10 is not available for free download as it is a commercial product developed by the National Institute of Standards and Technology (NIST).
However, there is a limited free version and specific access options:
mini-REFPROP (Free): A free "sample" version designed for students and teaching. It includes a limited fluid library (e.g., water, CO2cap C cap O sub 2 , R134acap R 134 a
, nitrogen, oxygen, methane, propane, helium, hydrogen, and dodecane) and basic mixture calculations. You can download it directly from the mini-REFPROP official page. Full Version Pricing:
New License: The standard single-user license is priced at $325.00.
Upgrade: Users moving from version 9.x to 10.x can purchase an upgrade for $125.00.
Purchasing: Licenses are available through the NIST E-Commerce Store. Trial & Beta Options: Purchasing gives you the official installer, a unique
7-Day Free Trial: A trial version of the REFPROP CAPE-OPEN Property Package Manager is available, though it requires a fee after the trial ends.
Beta/Alpha Access: NIST occasionally provides beta or alpha DLLs to existing users to help debug new features.
Key 2021 Update Info: While REFPROP 10 was released in 2018, its official documentation and FAQ were significantly updated on March 29, 2021. This update introduced better Excel examples, optimized Fortran code for speed, and expanded fluid data for refrigerants like R1123 and R1233zd(E). REFPROP | NIST
REFPROP 10 Free Download 2021: A Comprehensive Guide
REFPROP, short for Reference Properties, is a widely used software tool for calculating thermodynamic properties of fluids. Developed by the National Institute of Standards and Technology (NIST), REFPROP is an essential resource for engineers, researchers, and scientists working with fluid thermodynamics. In this blog post, we will explore how to obtain REFPROP 10 for free in 2021 and provide an overview of its features and applications.
What is REFPROP 10?
REFPROP 10 is the latest version of the REFPROP software, released in 2020. This version offers improved functionality, new features, and enhanced performance compared to its predecessors. REFPROP 10 allows users to calculate various thermodynamic properties, such as density, viscosity, thermal conductivity, and specific heat capacity, for a wide range of fluids, including refrigerants, hydrocarbons, and other pure compounds.
Features of REFPROP 10
Some of the key features of REFPROP 10 include:
How to Get REFPROP 10 for Free in 2021
To obtain REFPROP 10 for free in 2021, follow these steps:
System Requirements
Before downloading and installing REFPROP 10, ensure that your computer meets the following system requirements:
Applications of REFPROP 10
REFPROP 10 has a wide range of applications in various fields, including:
Conclusion
REFPROP 10 is a powerful software tool for calculating thermodynamic properties of fluids. With its accurate calculations, wide range of fluids, and user-friendly interface, REFPROP 10 is an essential resource for engineers, researchers, and scientists working with fluid thermodynamics. By following the steps outlined in this blog post, you can obtain REFPROP 10 for free in 2021 and take advantage of its features and applications.
The phrase “refprop 10 free download 2021” is a search trap leading either to empty links or dangerous files. Instead:
Remember: NIST charges fairly for a tool used in billion‑dollar LNG plants and HVAC designs. A paid license ensures reliable data—and your peace of mind.
Last updated: 2021 (retrospective). Always check the official NIST SRD 23 website for current pricing and download options.
