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Can’t Take the Heat? “Cool Walls” Can Reduce Energy Costs, Pollution

A nationwide study by Berkeley Lab details benefits of lighter-colored, solar-reflective walls

As you likely know, NCCA members and their customers along the prepainted metal value chain have been supporters of “cool roofs” for 20 years. Without question, this technology effectively reduces energy consumption during the hot months of the year. So, what’s next?

“Cool walls”! Wait, what? Cool walls? Cool-roof technology is intuitive; roofs face the sun, but walls are vertical structures. How much solar energy can they possibly be exposed to? Well, you’ve come to the right place to find the answer.[i]

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