A test method for the efficiency and efficiency of an electric heating boiler, such as a resistance direct heating boiler, an electrode type, an electromagnetic hot water boiler, and a phase change heat storage unit of less than 3 cubic meters, etc., is provided. 100kW. The storage time, heat release time, heat storage capacity, heat release capacity, heat storage density, heat release rate, heat release rate, heat release rate and peak transfer capacity were tested and evaluated.