Entry Type ID Date Applicable Rating System Primary Credit Inquiry (LIs) Ruling (LIs) Related Addenda/LIs Related Resources Campus Applicable Internationally Applicable Country Applicability Reference Guide (Addenda) Page (Addenda) Location (Addenda) Description of Change (Addenda) "Reference Guide Correction" "100000549" "2009-10-27" "Homes" "None" "None" "Homes, 2008 edition" "186" "Column 2, 2nd par. under Approach and Implementation" """A certified energy rater must verify the air leakage rate..."" change to ""A qualified energy rater must verify the air leakage rate...""" "Reference Guide Correction" "100000550" "2009-10-27" "Homes" "None" "None" "Homes, 2008 edition" "187" "Exemplary Performance" """No additional points are available for exemplary performance."" change to ""No additional points are available for exemplary performance. Projects that exceed the credit requirements are encouraged to use the performance pathway in EA 1.2.""" "LEED Interpretation" "1589" "2006-07-21" "Homes" "Is exemplary performance credit available for reducing the envelope leakage rate?" "No. Projects with reduced envelope leakage should use the performance pathway (EA 1) to earn extra credit. Applicable Internationally." "None" "None" "X" "LEED Interpretation" "1713" "2007-03-30" "Homes" "Should the summer or winter infiltration rate be used? Or some combination of the two?" "The requirement in the rating system is ACH 50, which should come directly from the blower door test and should be largely independent of season. Applicable Internationally." "None" "None" "X" "LEED Interpretation" "1751" "2007-04-13" "Homes" "In multi-family buildings, how should the envelope leakage rate be measured for individual units? Should it include leakage to adjoining units?" "The envelope leakage requirement should only include envelope leakage to the outdoors. LEED for Homes does not provide specific guidance on isolating the envelope leakage from inter-unit leakage, but it is possible and RESNET may have guidance. Multi-family projects are strongly encouraged to compartmentalize each unit, such that inter-unit leakage is minimized and does not adversely affect the blower door test result." "None" "None" "LEED Interpretation" "2368" "2008-10-15" "Homes" "Can small homes use CFM/sf of building enclosure area? If so, what is the performance requirement? The current metric, ACH50, is punitive for very small homes. " "No - unless or until EPA or USGBC can identify comparable performance thresholds using CFM/sf of building enclosure, EA 3 may only be satisfied using ACH50. " "None" "None"