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Building Lighting Efficiency: ASHRAE standard 90.1-2022 decoded

By Craig DiLouie
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The American Society of Heating, Refrigerating and Air-­Conditioning Engineers (ASHRAE) and the Illuminating Engineering Society (IES) updated ANSI/ASHRAE/IES Standard 90.1-2022, Energy Efficiency Standard for Buildings Except Low-Rise Residential Buildings.

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