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Duct testing Calculator (New Construction) <br /> At Rough-in (Total Leakage) • � <br /> 0 <br /> CFA of 1 Calculated Test2 Q <br /> Home Standard Target CFM25 O <br /> a� <br /> � <br /> Air Handler Present <_ 6 CFM25 per 100 sf of CFA ~ <br /> � <br /> Air Handler not Present <_ 4 CFM25 per 100 sf of CFA � <br /> � <br /> O <br /> � <br /> Post Construction °' <br /> v <br /> v <br /> CFA of 1 Calculated Test2 X <br /> w <br /> Home Standard Target CFM25 � <br /> 0 <br /> +, <br /> a� <br /> Air Handler Present ._ � <br /> Z� ���; <_ 8 CFM25 per 100 sf of CFA � <br /> (Total Leakage) ��'�-'K � �� � <br /> +� <br /> � <br /> Air Handler Present � � <br /> < 6 CFM2S per 100 sf of CFA �`������ � <br /> (Leakage to Exteriar) ,� � <br /> � <br /> � <br /> Air Handler not Present _< 4 CFM25 per 100 sf of CFA v <br /> � <br /> 1. Test results must comply with one of the Standards options. � <br /> 2. Test CFM25 must be equal to or less than the calculated target. `T <br /> Air Leakage testing Calculator (Blower poor Test) <br /> ` Standard CFA of Tested CFM50 Test Result <br /> Home <br /> r;:'0.00030 SLA <br /> �(CFMSaX 0.055)/(CFA X 144)� - <br /> Glossar 1� 1� � �`�'—`�� ���; `� �-J �� �� � �3 � � <br /> y l �- � <br /> Rough-In: After installation of the complete air distribution system but before installation of insulation and sheet <br /> rock. Allows for access to all duct seams and connections for re-evaluation of seal integrity if standard is not met in <br /> intitial test. <br /> Post Construction: At or near final inspection. The home must be complete enough to pressurize the home to 25 <br /> pa. <br /> Total Leakage: Aggreg�tion of the entire systems duct leakage in a duct test. <br /> Leakage to Exterior: Ag�regation of all duct system leaks to the exterior of the CFA in a duct test. <br /> CFA: Conditioned floor area <br /> CFM25: Cubic feet per minute of air 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 / Z /�C�L-- ��� <br /> ��'�`7� , _ <br /> ��>� ��� <br />