All kinds of hotels and guest houses provide comfortable accommodation for their guests, and are generally equipped with steam or hot water boilers, shell and tube or plate heat exchangers, and kitchen equipment such as steamers, and large hotels also have central air-conditioning systems. All these equipments are subject to damage due to scale adhesion, causing damage to the equipment and system, and increasing energy consumption. Como electronic descalers can be installed without shutting down the system, causing no negative disruption to the hotel's operations or customer experience。