90.1-2010: Ashrae

In the United States, Standard 90.1-2010 serves as a critical legal benchmark: Standard 90.1 - ASHRAE

: Updated Lighting Power Density (LPD) allowances and introduced more detailed methods for determining power allowances, such as the Space-by-Space Method. ashrae 90.1-2010

: Ramped up requirements for lighting and mechanical system controls to ensure equipment only runs when needed. Regulatory Role In the United States, Standard 90