Abstract: The popular floor heating of Korea, ondol is a direct heating system for cold Winter. It mainly uses woods, briquettes and petroleum as fuel. With the increase of the income and economic development in the 21st century, health has become the keyword of the era. As people are aware of human health it arouses concern about the electromagnetic waves emitted from the Korean domestic heating mat products. Electricity consumption of residential zones is another aspect of the growth and development. Therefore, this study describes the heating system of electric heating mat for home use and the feature of its electromagnetic waves using carbon fiber to reduce waste and improve human health issue.