Heating Air-Conditioning-(暖气和空调)

1. （尤指从经济角度考虑的）供暖，暖气供应
Heating is the process of heating a building or room, considered especially from the point of view of how much this costs.

2. （建筑物的）供暖系统，暖气设备
Heating is the system and equipment that is used to heat a building.

1. utility to warm a building

e.g. the heating system wasn't working
they have radiant heating

Synonym: heating systemheating plantheat

2. the process of becoming warmer
a rising temperature

Synonym: warming