An energy-saving electric heater is an electric heating device resembling a radiator, suitable for a variety of public places such as offices, hotels, shopping malls, residential buildings, schools, and train station waiting rooms. It boasts portability, mobility, energy efficiency, and low cost. It combines thermal superconduction technology with heating elements, providing quick heating and cooling while being energy-efficient and consuming less power, with excellent performance. Unlike similar products, it transforms a low-power heating element into a high-power superconductive heat pipe, with a heat conduction speed over 1000 times that of metal and a thermal efficiency increase of over 99%, achieving super energy-saving goals. The power of the thermal superconduction technology ensures a sufficient heat source supply, which is the key to energy conservation.