The following are some key energy conservation code changes that engineers, architects and owners should know about in order to minimize negative impacts to your facility.
Increased insulation requirements and details for opaque building elements including specific requirements for Group R occupancies.
Limitation of hot gas bypass based upon unit size. The maximum hot gas bypass capacity for units greater than 20 nominal tons is now 25% and those less than 20 nominal tons is 50%.
Increased minimum efficiency requirements for unitary air conditioners and condensing units, boilers and water chilling packages including full load and IPLV requirements.
Fan power limitations are provided based on application.
Added section on treatment/requirements of daylighting applications including the requirement to have daylight zone control.
Added exemptions for many specialty lighting applications (retail, medical, advertising, performance).