DIRcalc 1.26 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. You can install this free PC software on Windows XP/Vista/7/8/10/11 32-bit.
The following versions: 1.2 and 1.1 are the most frequently downloaded ones by the program users. The program's installer files are commonly found as DIRcalc_1-25.exe, DIRcalc_1-23.exe, DIRcalc.1.1.exe, DIRcalc_1-26.exe or DIRcalc_1-24.exe etc.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free tool was originally produced by Danfoss. The software is included in Education Tools.
From the developer:
DIRcalc is a free software application that allows you to calculate refrigeration and air conditioning. The max allowable pressure for the PM family is still 28 bar in the program because they have to be ordered as special delivery anyway. The application is easy to install, easy to use and has a friendly user interface
You may want to check out more software, such as ChemCAD, Vector NTI Advance or PHStat2, which might be related to DIRcalc.