Internet Explorer versions 7 and older have known compatibility and security issues with modern web standards which affect next generation Web 2.0 websites. In our attempt to deliver a superior experience, we no longer support Internet Explorer versions 7 and older.
Please upgrade to the latest version of Internet Explorer, Firefox, Safari or Chrome.
Projects should refer to the following credit compliance guidance when planning for recertification. The table outlines the establishment and performance requirements and details the preferred frequency and duration of each performance requirement. Recertification is based on compliance with performance requirements. For the complete set of guidance, refer to the LEED for Existing Buildings: Operations & Maintenance Recertification Guidance.
|Credit||Establishment requirements||Performance requirements|
|EAp3: Fundamental refrigerant management||Building components and site infrastructure
Use zero CFC-based refrigerants. If CFC refrigerants are used, establish phase-out plan and perform economic analysis for conversion.
Continue or complete phase-out plan. Conduct new economic analysis at least once every 5 years if CFC-based refrigerants are still used.*
*Starting from the date of certification application
We welcome and value the opinions of our green building community. We are collecting feedback on LEED v4 during the 5th open commenting period. At this time, each USGBC site user may comment on the open credits.