Translation

• central heating
• heater
• warm air

Synonyms

• 暑气, 热气, 热流, 热浪

Examples

• 暖气坏了。
  The heater is broken.
• 冬天暖气热不热？
  Is the central heating warm enough in the winter?
• 当牛舍的暖气坏了， 你就会有牛奶味的冰块。
  When the heater in the barn fails, you get milk-flavoured ice cubes.