When to use heater in Korean
Korean: 난로[ nan-ro ]

When to use it
A heater (난로) is a machine or device that makes a room or space warm. People use it in winter at home, at school, or outside when the weather is cold. You can say you turn on the heater, sit near it, or buy a new one.
Example sentences
겨울에는 거실에 난로를 켜요.
In winter, we turn on the heater in the living room.
교실에 난로가 있어서 따뜻해요.
There is a heater in the classroom, so it is warm.
밖이 추워서 난로 앞에 앉았어요.
It was cold outside, so I sat in front of the heater.
이 난로는 아주 작고 가벼워요.
This heater is very small and light.
캠핑할 때 작은 난로를 가져가요.
We bring a small heater when we go camping.
엄마, 난로 좀 켜 주세요.
Mom, please turn on the heater.