In Philadelphia, the 2018 International Energy Conservation Code (IECC) went into effect on October 1. In the architectural design world, when considering the energy performance of a building’s glazed façade system, one of the many related questions might be, “Is it possible to exceed 30 percent fenestration for the glazed building envelope while complying with the new code?” Fortunately that answer is yes.
GBCA member Graboyes Commercial Window Company President Ellis Guiles explains three options that are 2018 IECC compliant:
