![]() ![]() ![]() The standard referenced is an ISO standard since this the current industry standard for efficiency. While a minimum threshold is not listed, it is the first step toward including minimum elevator efficiency requirement in a future standard. O Elevator efficiency –Introduces requirements for designs to include both usage category and efficiency class. For the first time, this product class does have both efficiency and rating requirements with which they have to comply. O DOAS requirements – Dedicated outdoor air systems were introduced over 25 years ago but there were no rating or efficiency requirements with which to comply. O Chilled water plant metering – For the first time, the standard is requiring large electric driven chilled water plants to be monitored for electric energy use and efficiency. O Added additional control for lighting in parking areas based on occupancy to reduce energy use O Added minimum requirements for lighting in dwelling units to set limits on light source efficacy O Modification of exterior and interior lighting power densities that reflect the efficiency gains from LED technology in specific applications where they are proven to be effective O Modified control requirements that make the application of advanced lighting controls easier for increased energy savings O Improved clarity of the standard ranged from defining exterior walls to building orientation to clarity around the effective R-value of air spaces Requirements for Climate Zone 0 have been added. O The prescriptive requirements include increased stringency requirements for metal building roofs and walls, fenestration, and opaque doors. ![]()
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