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 efficiency, and low cost. Its working principle combines thermal superconductivity technology with heating elements, not only rapidly heating and dissipating heat but also being energy-efficient and consuming less energy, with excellent performance. Unlike similar products, it transforms a low-power heating element into a high-power superconductive heat pipe, with a thermal conductivity 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 superconductivity technology ensures a sufficient heat source supply, which is the key to energy saving.