The Heat Exchanger Calculator Free is a handy utility tool developed by PallaS for Android devices. This program is designed to calculate the rate of heat transfer in heat exchangers. It is based on the Effectiveness (ε) – Number of Transfer Units (NTU) method. This method is used when the inlet temperatures are known, and the outlet temperatures are to be determined.

The Heat Exchanger Calculator Free is easy to use, with a simple interface that allows users to input the necessary information quickly. It is an excellent tool for anyone who needs to calculate heat transfer rates in heat exchangers quickly and accurately.