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Window and Storefront Thermal Performance What every specifier needs to know by Brian Stephens Photo © Benjamin Benschneider ENERGY EFFICIENCY IS BECOMING AN EVER-INCREASING TOPIC IN DOMESTIC AND GLOBAL MARKETS. HOWEVER, THE SCOPE OF EFFECTIVE ENERGY MANAGEMENT UTILIZING FENESTRATION BECOMES DIFFICULT WHEN DESIGNING A SYSTEM THAT BALANCES PERFORMANCE REQUIREMENTS WHILE REMAINING ECONOMICALLY VIABLE AND MINIMALLY IMPACTING THE ENVIRONMENT. In the commercial building segment, advanced fenestration design is evolving to address growing energy management issues. Although the tools available to influence these designs are readily available, they must be properly employed to achieve the desired result. The U.S. Department of Energy (DOE) has set a goal to reduce building energy consumption in commercial buildings by 20 percent by 2020. This goal is viable considering current waste levels, but does not have 16 the construction specifier | november 2013 CS_November2013.indd 16 2013-10-16 11:28 AM