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 areas, schools, and train station waiting rooms. It boasts portability, mobility, energy-saving, and low cost. Its working principle combines thermal superconducting technology with heating elements, providing rapid heating and cooling while being energy-efficient and consuming less power. Unlike similar products, it transforms a low-power heating element into a high-power superconducting heat pipe, with a thermal conductivity 1000 times faster than metal and an efficiency increase of over 99%, achieving super energy-saving. The power of the thermal superconducting technology ensures a sufficient heat source supply, which is the key to energy saving.