床暖房

1. Origins, structure, and basic meaning

• Structure: The compound 床暖房 (ゆかだんぼう) is a heating system that warms a room through the floor.
• Basic usage: It can be switched on with 床暖房をつける or described as installed in a room with 床暖房が入っている.

2. Common pitfalls and similar expressions

• Heating installed in a floor
  • It names a heating system installed in or beneath the floor, not merely a floor that happens to feel warm.