Yes, majority of people have airconditioning at home.
是的，大多数人家里都有冷气。
The airconditioning sucks. I think it may be very old as it throws in damp air.
空调实在是糟透了，我想估计是太旧了，因为打开以后空气都有股潮味儿。
They would need to install new airconditioning and insulation, new light fixtures and so on.
他们需要安装新的空调和隔热材料、新的照明设施固定装置等等。
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