gas heating

例句：

1. 1.The new gas heating system is more energy-efficient than the old one.
   新的气体加热系统比旧的更节能。
2. 2.Gas heating is a popular choice for homes in colder climates.
   在气候较冷的地区，气体加热是一种受欢迎的选择。
3. 3. Gas heating systems are often used in large commercial buildings to provide warmth during winter months.
   在冬季，大型商业建筑通常使用气体加热系统来提供温暖。