split system heating

例句：

1. 1. The split system heating in the house is very efficient.
   家里的分系统供暖非常高效。
2. 2. The new building uses a split system heating system to save energy.
   新建筑使用了分系统供暖系统来节省能源。
3. 3. The split system heating system was installed by a professional engineer.
   分系统供暖系统是由专业工程师安装的。