"Smart Saver Ⅱ" is an intelligent energy-saving device for air conditioners. The intelligent mirco computer chips of which through learning and mermorizing the primitive working condition set in remote control, regularly conduct on/off and temperature control, reduce unnecessary enengy consumption and working hours to achieve electricity saving. It has a learning memory of 10 years, the learning content of which can be changed many times. Both applicable in summer and winter for energy saving.