The proposed Addendum L amends Standard ANSI/RESNET/ANSI 301-2014, Standard for the Calculation and Labeling of the Energy Performance of Low-rise Residential Buildings using an Energy Rating Index, to incorporate an exception to the requirement for testing duct leakage to the outside when the duct system is located within conditioned space. See the draft addendum below. Draft PDS-01 of BSR/RESNET/ICC 301-2014 Addendum L-201x Comment on draft PDS-01 of proposed Addendum L-201x View comments on draft PDS-01 of proposed Adendum L-201x RESNET will accept public comments on the changes to preliminary draft addendum, PDS-01 of BSR/RESNET/ICC 301-2014 Addendum L-201x, Duct Leakage to Outside Test Exception, until October 22, 2017.