The rapid development of mobile phones that has taken place in recent years has an enormous impact on our lives. Smartphones are now used not only for making phone calls or sending text messages, but in many cases they perform the function of our command and control center. Huilian Smart is an app that supports the operation of your heat pump. Owing to its numerous functions, it makes it possible to the operating state of the equipment, at any place and time. The app is intuitive and very easy to use.