COOLSTAR programme modules

System requirements

Usable under Windows 7, Windows 8 or Windows 10. Server environments on request.


Almost all calculations are based on the thermodynamic equations of state for the following refrigerants:

R12, R14, R22, R23, R32, R125, R134a, R170, R227ea, R290, R401A, R402A, R404A, R407A, R407B, R407C, R407F, R407H, R409A, R410A, R413A, R417A, R422A, R 422D, R427A, R433A, R448A, R449A, R450A, R452A, R453A, R454A, R454B, R454C, R455A, R502, R507A, R508A, R508B, R513A, R600, R600a, R717, R723, R744, R1150, R1233zd, R1234yf, R1234ze and R1270.


1. Calculation with and without internal heat exchanger

2. Two stage compression with open intermediate cooler in the h log p-diagram

3. Two stage compression with intercooler in the h log p-diagram

4. Calculation of piping

5. Calculation of piping net

6. Design of solenoid valves

7. Design of expansion valves

8. Design of check valves

9. Calculation of refrigerant compressors

10. Calculation of cold rooms

11. Calculation of air-conditioning

12. Calculation of chilled-water net

13. Calculation of evaporators

15. Flooded pump systems in the h log p diagram

16. H-X diagram

17. Transcritical process

Of course, the software allows you to manage your customer data as well as the respective projects. You may save and edit the data so that you are able to reproduce calculations any time you need them.


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