Nevertheless, as cooling and heating are merely two ends of the same process, it could save money and reduce carbon-dioxide emissions.

不过，由于冷却和加热仅仅只是同一过程的两个结果而已，因此其同样也可以降低成本并减少二氧化碳的排放量。

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A better approach would be to push businesses and consumers to do the basics, such as to improve building insulation and replace obsolete heating and cooling equipment.

一个更好的方法将是促使商人和消费者把基础做好，比如改进建筑物的隔热效果并更换过时的制热和制冷设备。

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The main part of the cooling system is a 3-wheel air-cycle machine which works as a self-controlled system for heating and cooling.

冷却系统的主要部件是一部3轮空气循环机，是可以进行加热和制冷工作的自维持系统。

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