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7, C l'l-tX/ pt74/- <br /> Duct Testing Calculator (New Construction) <br /> House address or lot #: ;.t /o e I <br /> Conditioned Floor Area: <br /> Duct tester location: _ , <br /> Pressure tap location: ' (< r <br /> Ring (if applicable): Open E 1 ®<' " ®2 5,4:�3 0 <br /> At Rough-In or Post Construction <br /> Test Method Standard' Calculated Test" <br /> Target CFM25 1' <br /> Air Handler Present (Leakage < 4 CFM25 per 100 sf of CFA - <br /> to Exterior or Total Leakage) <br /> 9() <br /> I_5 <br /> � <br /> Air Handler not Present h<_ 3 CFM25 per 100 sf of CFA <br /> (Leakage to Exterior or Total Leakage) <br /> 1 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: '7' Calculated Volume (cubic feet) <br /> Ceiling Hieght (ft) 4/3—f a- 4 i <br /> iCalculated Test <br /> Standard Tested CFM5© /0ai <br /> 'sem Result (ACH50) ,f <br /> 155.0 ACH50 (cFM50 x A) ,?C‘C i eC Tcq , !�' ' <br /> � Cf('' j <br /> 60_conditioned Volume) ' ' / • /U ise rt) <br /> Glossary ( v ' y //Z// //if/ 7- 25-:?`G) e <br /> Rough-In: After installation of the complrste air distribution system but before installation of insulation and <br /> H <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 H <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) �[ i <br /> ACH50: Air changes per hour at 50/pascals of pressure i //, 1 <br /> 6 ,L <br /> ✓( v� <br /> cv r <br />