A new cooling technology consumes only a fraction of power as compared to conventional ACs.

Researchers of the National Renewable Energy Laboratory, Colorado have devised a new air conditioning technology that consumes 90 percent less power than conventional air conditioners. The technology avoids the refrigeration process powered by a compressor and instead uses high-efficiency pumps and fans, in addition to evaporative cooling, something that is already used in swamp coolers in dry regions. The DEVap air conditioners, as they are called, could be commercially available in the next 3 years.

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