Heating is the process of heating a building or room, considered especially from the point of view of how much this costs.
We wanted to reduce the cost of heating and air-conditioning.
我们想减少供暖与空调的开支。
Heating is the system and equipment that is used to heat a building.
I wish I knew how to turn on the heating.
要是我知道如何打开暖气装置就好了。