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Duct Testing Calculator (New Construction) <br /> House addressor lot#: ( I') /-J /1) d. 1 � <br /> Conditioned Floor Area: `D, Q <br /> Duct tester location: VQ- t ,, 1-et <br /> Pressure tap location: f - U ;Met,_ Kt3Di41 <br /> Ring (if applicable): Open ❑ 1 0 2 0 3 0 <br /> At Rough-In or Post Construction <br /> Calculated Test' <br /> Test Method Standard' Target CFM 25 <br /> Air Handler Present <br /> <_4CFM2Sper 100sfofCFA <br /> (Leakage to Exterior or Total Leakage) <br /> Air Handler not Present _<3 CFM25 per 100 sf of CFA <br /> (Leakage to Exterior or Total Leakage) <br /> 1. Test CFM25 must be equal to or less than the calculated target. <br /> Air Leakage testing Calculator (Blower Door Test) <br /> Conditioned Floor Area: a,3 Calculated Volume (cubic feet) <br /> Ceiling Hieght (ft) g ;Q- ( 7 , (q a <br /> Standard Tested CFM50 Calculated Test <br /> ���� Result (ACH50) <br /> 5.5.0 ACH50 (CFM5OX (S0( XV)=ln3C(9%(1 itq01--- 1,7 <br /> 60_conditioned Volume) <br /> Glossary <br /> Rough-In: 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 />