RE-EXCHANGE ENERGY-SAVING BUILDING SYSTEM

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PURPOSE : A re-exchange energy-saving construction system is provided to reduce costs to supply electricity, water and hot water and an air conditioning function and enable water from a water tank on the rooftop to be used for extinguishing fire. CONSTITUTION : A re-exchange energy-saving construction system comprises an electricity supply system(2), a hot water supply system, a water saving system, an air conditioning system. The electricity supply system sends water from a underground water tank(22) to a rooftop water tank(21) with electrical energy of valley electricity(25). The hot water supply system frequently supplies hot water to a multi-story building by employing parallel water tanks of a solar hot-water supplier(31). Water used in a bath, a washbasin, and a sink is filter in a filtering water tank and then the water saving system uses the filtered water for a toilet bowl of a lower story. COPYRIGHT KIPO 2012