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Mother's Day 2018: The best tech and gadgets for your mom this year
Ice-powered air conditioning system promises to reduce energy use by up to 30 percent.
Ice Energy's energy storage system uses a standard centralized air conditioner compressor to convert water to ice at night. During the day, the ice cools the refrigerant needed to run the air-conditioning unit, cutting overall energy consumption by about 30 percent.
Caption by: Bill Detwiler
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