fan heater

例句：

1. 1.The fan heater in the living room keeps the room warm during winter.
   客厅里的风扇加热器在冬天保持房间温暖。
2. 2. The new fan heater is more energy-efficient than the old one.
   这款新的风扇加热器比旧的更节能。
3. 3.I like to use a fan heater on cold nights to keep my bedroom warm.
   我喜欢在寒冷的夜晚使用风扇加热器来保持我的卧室温暖。