Methods and systems of load balancing a heat pump in fluid communication with a plurality of combination washing and drying machines are disclosed. A method of loading balancing the heat pump includes receiving, at a controller, a cycle status of each one of a plurality of combination washing and drying machines, identifying an available machine, determining, based on one or more load characteristics, a washing and drying cycle duration of a load of laundry. The controller is configured to determine a cycle start time of the available machine based on the determined cycle duration and temperature profiles, a cycle status of each one of the remainder of the plurality of machines, and staggering washing and drying cycles between the identified available one of the plurality of machines and the remainder of the plurality of machines to balance load on the heat pump.

A method for using a remote server to schedule operating cycles of an appliance includes receiving a request to perform an operating cycle of the appliance at a preferred start time, obtaining an energy consumption capacity schedule from a utility company providing power to the appliance, determining a cycle start time of the operating cycle based at least in part on the energy consumption capacity schedule and the preferred start time, and transmitting a cycle authorization for initiating the operating cycle of the appliance at the cycle start time.

A method for using a remote server to schedule operating cycles of an appliance includes receiving a request to perform an operating cycle of the appliance at a preferred start time, obtaining an energy consumption capacity schedule from a utility company providing power to the appliance, determining a cycle start time of the operating cycle based at least in part on the energy consumption capacity schedule and the preferred start time, and transmitting a cycle authorization for initiating the operating cycle of the appliance at the cycle start time.

A disclosed home appliance system comprises: a washer for washing clothes; a dryer for drying the clothes; an external server for communicating with the washer and the dryer; and a mobile device for controlling the washer and the dryer through the external server, wherein the mobile device can: acquire energy peak time information including time-specific energy billing information from the external server; display a first user interface for receiving the selection of a first interworking course of sequentially operating the washer and the dryer; determine a first cycle time of the first interworking course including a first washing time of the washer and a first drying time of the dryer, the first cycle time being required in order to perform the first interworking course; display a second user interface for receiving the selection of whether to perform the first interworking course on the basis of the energy peak time information and the first operation time; and transmit first interworking course information to the external server in response to receiving the selection of performing the first interworking course.

A disclosed home appliance system comprises: a washer for washing clothes; a dryer for drying the clothes; an external server for communicating with the washer and the dryer; and a mobile device for controlling the washer and the dryer through the external server, wherein the mobile device can: acquire energy peak time information including time-specific energy billing information from the external server; display a first user interface for receiving the selection of a first interworking course of sequentially operating the washer and the dryer; determine a first cycle time of the first interworking course including a first washing time of the washer and a first drying time of the dryer, the first cycle time being required in order to perform the first interworking course; display a second user interface for receiving the selection of whether to perform the first interworking course on the basis of the energy peak time information and the first operation time; and transmit first interworking course information to the external server in response to receiving the selection of performing the first interworking course.

A compressor frequency regulation method includes acquiring a first exhaust temperature of a compressor operating at a first operating frequency; determining that the first exhaust temperature is greater than or equal to a first preset temperature; controlling the compressor to perform frequency reduction processing, the frequency reduction processing reducing the first operating frequency to a second operating frequency, such that a second exhaust temperature of the compressor operating at the second operating frequency is less than the first preset temperature; and controlling the compressor to operate at the second operating frequency.

A clothing treatment apparatus includes a tub for providing a space in which washing water is accommodated; a drum rotatably provided inside the tub; a motor for rotating the drum; and an induction heater which is arranged on the outer surface of the tub and which heats the drum. The motor can rotate the drum at a first rotational speed at which laundry accommodated inside the drum is rotated while adhered to the inner circumferential surface of the drum, during heating of the drum by the induction heater.

A clothing treatment apparatus includes a tub for providing a space in which washing water is accommodated; a drum rotatably provided inside the tub; a motor for rotating the drum; and an induction heater which is arranged on the outer surface of the tub and which heats the drum. The motor can rotate the drum at a first rotational speed at which laundry accommodated inside the drum is rotated while adhered to the inner circumferential surface of the drum, during heating of the drum by the induction heater.

A method for controlling a laundry treatment includes performing, by the lower treatment device, a washing course including a water supply step, a washing (rinsing) step, and a dehydration step, and performing, by the upper treatment device, a drying course including a hot air supply step, a fan operation step, and a dryness sensing step. The lower treatment device performs the washing course by changing a configuration of at least one of an operation of the tub heater, an execution time of the washing course, and an operation of the lower driver according to a progress state of the drying course, thereby performing the washing course.

A method for controlling a laundry treatment includes performing, by the lower treatment device, a washing course including a water supply step, a washing (rinsing) step, and a dehydration step, and performing, by the upper treatment device, a drying course including a hot air supply step, a fan operation step, and a dryness sensing step. The lower treatment device performs the washing course by changing a configuration of at least one of an operation of the tub heater, an execution time of the washing course, and an operation of the lower driver according to a progress state of the drying course, thereby performing the washing course.