Warming the whole room with a fire in the Ondol fuel chamber has been the best heating method since the times when wood, grass, and coal were used as fuels.

• 在灶口烧火,让房间全部变暖,这种暖炕式供暖是用老的树或草,煤炭做起的,利用的是韩国最好的供暖方法。