Various types of hotels provide comfortable accommodation environments for guests, generally equipped with steam boilers or hot water boilers, shell and tube or plate heat exchangers, as well as kitchen equipment such as steaming boxes. Large hotels also have central air conditioning systems. These devices will all suffer damage to equipment and systems due to the adhesion of scale, and their energy consumption will increase. The installation of the Como electronic descaling device does not require shutting down the system and will not cause negative interference to hotel operations and customer experience.