Demand for air conditioning will only increase, new materials offer hope of a breakthrough that could cut energy consumption by 90%
If we are going to get global consumption of power on to a much more efficient basis, one of the challenges is air conditioning. Could we find a breakthrough that would cut 90% of the electricity required for space cooling?
Air conditioners in use today work on the same principle as refrigerators, but instead of dumping the heat into the room (which is what happens at the back of a refrigerator) it is sent outdoors. Air conditioners use a lot of electricity because they involve repeated cycles of compressing a gas to a liquid, and that consumes power. In Singapore a small, hot, developed country about 30% of household power is used for air conditioning, and in commercial buildings it is 40%.
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