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HOW COULD THE TEMPERATURE PATCH HELP SAVE ENERGY?

One patch measures 5 × 5 centimeters in size and uses up to 0.2 watts worth of power. 

The researchers estimate that it would take 144 patches to create a cooling vest. 

This would use about 26 watts total to keep an individual cool on an average hot day (during extreme heat, estimated power use would climb up to 80 watts, which is about how much a laptop uses). 

By comparison, a conventional air conditioning system uses tens of kilowatts to cool down an entire office.

It's more energy-efficient to cool down an individual person than a large room, researchers noted. 

'If there are just a handful of occupants in that room, you are essentially consuming thousands of watts per person for cooling. A device like the patch could drastically cut down on cooling bills,' the researchers said.

 

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