COOLSTAR - the comfortable calculation software for refrigeration and air-conditioning

With COOLSTAR by JA-Soft you'll get well-founded calculations for your refrigeration plants quickly and exactly. The software was developed by refrigeration experts for refrigeration exports. And it is regularly updated and developed further. The benefits at a glance:

Manufacturer independent

With the module master data you are able to adapt the calculations of COOLSTAR to your situation. You may - e.g. in the calculation of a piping net - put in your preferred manufacturers, so that the results of calculation only include these favourite components. Data of piping may be adapted to your requirements, so that only the diameters you use every day will be proposed.


COOLSTARis offered in four languages: German, English, French and Dutch.


COOLSTAR is as simple as efficient. You will be a perfect user within a very short time. COOLSTAR is commonsense, user-friendly and interactive.


COOLSTARallows calculations in different units. In other words: the program is flexible to use.

Automatic data transfer

COOLSTAR offers automatic data transfer from previous calculations. Annoying data input for new calculations is minimised.

Always up to date

COOLSTAR allows altering and adapting of the included components-general data. This means: your program will always be up to date.

Excellent price/performance ratio

For COOLSTAR you pay less than you expect.


Are you interested?
Download the latest COOLSTAR Demo-Version for free!