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This paper proposes remote-controllable and energy-saving room architecture to reduce standby power consumption and to make the room easily controllable with an IR remote control of a home appliance. To realize the proposed room architecture, we proposed and designed the automatic standby power cut-off outlet and a ZigBee controller with IR code learning functionality. The proposed power outlet monitors the power consumption for the predetermined time and completely cuts off the power supply when the monitored power is below the threshold. This power outlet has a function of changing the threshold power, which enables any kinds of home appliances to be applied to the power outlet. To efficiently manage the power outlets and the lights, we proposed the ZigBee controller with IR code learning functionality. The ZigBee controller has several onboard buttons to wake up the power outlets and control the dimming light. By using IR code learning functionality, the ZigBee controller can assign a certain IR code of a remote control of a home appliance to the power outlet or the dimming light. A user can control the power outlets and the dimming light with an IR remote control of any home appliance. Our proposed room architecture provides the remote-controllable and energy-saving room.