CoolTools is modern adaptation of CoolPack. CoolTools is a collection of simulation models for refrigeration systems and each of them has a specific purpose e.g. cycle analysis, sizing of main components, energy analysis and optimization.

The following simulation purposes are covered:
- Cycle analysis (process design) – comparison of one stage direct expansion cycle and one stage flooded cycle.
- System sizing – calculation of component sizes from general criteria.
- System simulation – calculating operating conditions in a system with known components.
- Component calculations – calculation of components efficiencies and outlet conditions.
- Evaluation of operation – evaluation of system efficiency.
- Process investigation – e.g. moist air calculations.
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Reference: https://www.ipu.dk/