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Arising with economy growth is the awareness of protecting the environment, public has paid more and more attention to Electric Heating in recent years. However, currently Electric Heating in China cannot reach the optimal operation due to several constraints, which hinders Electric Heating’s popularization. Our paper analyzed factors impacting their operation effect including economy, safety and environment protection. Then we extracted metrics and develop a comprehensive evaluation system for Electric Heating operation, based on the Multi-level Grey Correlation Analysis Method. We aimed to study how to realize Electric Heating’s operation optimization. In the end, we assessed all kinds of Electric Heating and make constructive designs for Electric Heating promotion in China. Keywords-Electric Heating, Factor Analysis, Multi-level Grey Correction Analysis Method; Comprehensive Evaluation

Factor Analysis and Comprehensive Evaluation of Operation Effect of Electric Heating Systems