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A ceiling fan that slashes energy bills in June and January might seem implausible, but Big Ass Solutions products work intelligently with HVAC systems for comprehensive sustainability. In summer, they reduce homeowners' reliance on air conditioning units. In winter, they push rising heat downward, producing energy savings as high as 30 percent.  Elgin House by Sukh Aujla from The World's First Smart Ceiling Fan Cuts Energy Bills in Summer and Winter
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