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�Duct testing Calculator (New Construction) �ca.c�t-�� <br /> At RoOgh-in (Total Leakage) • � <br /> 0 <br /> CFA of 1 Calculated Test2 a <br /> Home Standard Target CFM25 � <br /> N <br /> Air Handler Present S 6 CFM25 per 100 sf of CFA � <br /> 0 <br /> Air Handler not Present 5 4 CFMZS per 100 sf of CFA � <br /> O <br /> v <br /> Post C�nstrudion a�'i <br /> u <br /> CFA of 1 Calculated Test2 x <br /> w <br /> Home Standard Target CFM25 0 <br /> a� <br /> Air Handler Present 01 <br /> (Total Leakage) I SQ 6 5 8 CFM25 per 1(10 sf of CFA � Z� �C�� � <br /> Air Handler Present �""`� � <br /> 5 6 CFMZS per S00 sf of CFA 55�„� <br /> (Leakage to Exterior) ,y <br /> � <br /> Air Handler not Present 5 4 CFM25 per 100 sf of CFA � <br /> � <br /> 1. Test results must comply with one of the Standards optfons. � <br /> 2. Test CFM25 must be equal to or less than the calculated target. ~ <br /> Air Leakage testing Calculator (Blower poor Test) <br /> Standard CFA of Tested CFMso Test Result <br /> Home <br /> <0.00030 SLA <br /> (�CFMSoX 0.055)/(CFA%144�) <br /> i���;� �z�--s��� - ��t `� � I�, 16 <br /> Glossary <br /> Rough•In: Aker installation of the complete air distribution system but before installatlon of insulation and sheet <br /> rock. Allows for access to all duct seams and ronnections for re-evaluation of seal integrity if standard is not met in <br /> intitial test. <br /> Post Canstructlon: At or near final inspection. The home must be complete enough to pressurize the home to 25 <br /> pa. <br /> Total Leakage: Aggregation of ti�e entire systems duct leakage in a duct test. <br /> Leakage to Exterior: Aggregation of all dud system leaks to the exterior of the CFA fn a duct test. <br /> CFA: Conditioned floor area <br /> CfM25: Cubic feet per miiiute of ai:leakage at 25 pascals of pressure <br /> CFMSo: Cubic feet per minute of air leakage at 50 pascals of pressure <br /> Pascal (pa�: Unit of pressure <br /> SLA: Specific leakage area <br /> � <br />