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2014, 11-18 Duct Testing CalculatorDuct Testing Calculator (New Construction) House address or lot #: Conditioned Floor Area: Duct tester location: • Pressure tap location: Ring (if applicable): q j2m E , i-tia ,u (a,) i -}U ' gj 0 Open ❑ 1 O 2 0 ❑ At Rough -In or Post Construction Test Method Standards Calculated Target Testi CFM2s Alr Handler Present (Leakage to Exterior or TotarLeakage) < 4 CFM25 per 100 sf of CFA cg (O w Air Handler not Present 5 3 CFM25 per 100 sf of CFA Leakage to Exterior or Total Leakage) 1.- Test CFM25 must be equal to or less than the calculated target. Air Leakage testing Calculator (Blower Door Test) _ Conditioned Floor Area: Ceiling Hieght (ft) )L4b1p Calculated Volume (cubic feet) gj 0 Standard Tested CFM50 Calculated Test Result (ACHso) ACHso (CFMSoX <_�-127 60 - conditioned Volume) ` a, ZZ Glossary Rough -In: After installation of the complete air distribution system but before installation of insulation and sheet rock. Allows for access to all duct seams and connections for re-evaluation of seal integrity if standard is not rnet in intitial test. Post Construction: At or near final inspection. The home must be complete enough to pressurize the home to 25 pa. Total Leakage: Aggregation of the entire systems duct leakage in a duct test. Leakage to Exterior: Aggregation of all duct system leaks to the exterior of the CFA in a duct test. Pascal (pa): Unit of pressure CFA: Conditioned floor area in square feet CFM25: Cubic feet per minute of air leakage at 25 pascals of pressure CFMso: Cubic feet per minute of air leakage at 50 pascals of prt Conditioned Volume: Volume of conditioned space (CFA X ceil ACHso: Air changes per hour at 50 pascals of pressure 410 its ;cnfviotr'Hf,Aira WtS€ INSULA<<QN 16019 E. Lacrosse Lane, Spokane Valley, WA 99216 Cell (509) 294-1112 E-mail - chriss@iwinsulaion.com #IWIINI'111 MU -WA. • #RCE -19317 -IDAHO • 62240 -OREGON Office (509) 926-3136 • Fax (509) 474-0320 Chris Schuh, Production Manager -:r:r 'The Energy 8 Sound Professionals'