What could become the nation’s first standard for high-performance buildings moved a step closer to adoption earlier this month with the release of a third draft for public comment. The latest version of Proposed Standard 189.1 has stricter energy conservation provisions and reflects input from a broader cross-section of experts, according to its developers.
National laboratories currently are using energy modeling to determine how much more savings could be generated with the latest version of the standard compared to previous drafts. “I would anticipate [savings to go] up at least another 5 percent,” says Kent Peterson, chair of the development committee, and principal of P2S Engineering Inc., based in Long Beach, California. The standard, which is being developed by American Society of Heating, Refrigerating and Air-Conditioning Engineers with the Illuminating Engineering Society of North America and the U.S. Green Building Council, addresses performance of new commercial buildings and major renovation projects.
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