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/m//91-t--z °1 el 4-5---/ 8 <br /> Duct Testing Calculator (New Construction) <br /> House address or lot <br /> Conditioned Floor Area <br /> x„�,4ii.z .R 1 w <br /> Duct tester location: <br /> Pressuretap location <br /> (" <br /> Ring (if applicable) ',n 1 ❑ 2 3 ❑ <br /> i <br /> At Rough-In or Post Construction <br /> Calculated Test1 <br /> `? Method Standard1 Ta <br /> 25 <br /> Air Handler Present (Leakage 4CFM sfofCFA _ <br /> �t0>f <br /> to Exterior or Total Leakage) <br /> Air Handler not Present < 3 CFM2s per 100 sf of CFA <br /> (Leakage to Exterior or eakage) <br /> 1. Tes 25 must be equal to or less than the calculated target. <br /> Air Leakage testing Calculator (Blower Door Test) <br /> Conditioned Floor Area; Calculated Volume (cubic feet) <br /> Ceiling Hie ht (ft) kV Or 0 /&47256- <br /> Standard Tested CF Calculated Test <br /> Resu so <br /> 5.5.0 ACH50 (cFMsoX Y _ `{4 <br /> 60_conditioned Volume) <br /> Glossary 64, 16 60/1/1- -i � S've_ <br /> Rough-ln: After installation of the complete air distribution system but before installation of insulation and <br /> sheet rock. Allows for access to all duct seams and connections for re-evaluation of seal integrity if standard <br /> is not met in intitial test. <br /> Post Construction: At or near final inspection. The home must be complete enough to pressurize the home <br /> to 25 pa. <br /> Total Leakage: Aggregation of the entire systems duct leakage in a duct test. <br /> Leakage to Exterior: Aggregation of all duct system leaks to the exterior of the CFA in a duct test. <br /> Pascal(pa): Unit of pressure <br /> CFA: Conditioned floor area in square feet <br /> CFM25 Cubic feet per minute of air leakage at 25 pascals of pressure <br /> CFM50: Cubic feet per minute of air leakage at 50 pascals of pressure <br /> Conditioned Volume: Volume of conditioned space (CFA X ceiling hieght) <br /> ACH50: Air changes per hour at 50 pascals of pressure <br />