Since the launch of LEED for Existing Buildings (EB) three years ago, the U.S. Green Building Council (USGBC) has seen modest participation in its program focused on encouraging best practices in the ongoing operations and maintenance of already constructed buildings. So far, about 400 buildings have been registered with the council, while approximately 75 projects have achieved certification.
According to council estimates, fewer than five of these EB-certified projects had been previously certified under the popular LEED for New Construction (NC) rating system. Uptake of dual certification has been slow even though EB proponents say that the program can help owners maximize performance, even for a building designed to operate at a high level. An NC building without EB certification “is a little like a car without a maintenance plan,” says Michael Arny, president of consulting firm Leonardo Academy and former chair of the council’s LEED EB committee.
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