Human races have used various heating methods, since fire was founded in the world. It is very the important work to trace the history of Ondol, which originated and developed in the Korean peninsula. Especially, the study on ancient Ondol would contribute to improving the present heating methods and predicting future ones. In this paper, we shall study through the analysis of documents such as oriental ancient documents, the document of Choseon dynasty, Europe documents and American documents. In order to discover the origins of Ondol as one of the excellent heating method all over the world, This study aims at identifying the history of Ondol and characteristics in the Korean peninsula, through document analysis.
Results of this study are as follows.
1) The first record about Ondol is related to Ondol at Kwankyesa in the border land between Gogooryo and the northeast of China.
2) Ondol built in the period of Balhae dynasty had single flue(Hanjool Gorae) and double flue(Doojool Gorae).
3) The overspreading of Ondol made the quality of Ondol poor in the last of Choseon dynasty.
4) If the layout of Bulmok had been poor, it might have caused the backflow of fire.
5) Korean Ondol has been used as a heating method for a long time and the period is longer than that of the west.