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- _ WASHINGTON STATE UNIV[RSITY <br /> EXTENSION ENERGY PROGRAM <br /> Support <br /> Duct Leakage Affidavit (New Construction) <br /> Permit#: <br /> 1921 COLBY AVE UNIT A <br /> House address or lot number. <br /> City: EVERETT 182 <br /> Cond. Floor Area(ft2): 1440 Source (circle one): Plans Estimated Measured <br /> ❑ Duct tightness testing is not required. The total leakage test is not required for ducts and air handlers located <br /> entirely within the building thermal envelope. Ducts located in crawl spaces do not qualify for this exception. <br /> Air Handler in conditioned space? ® yes ❑ no Air Handler present during test? ® yes ❑ no <br /> Circle Test Method: Leakage to Outside Total Leakage <br /> Maximum duct leakage: <br /> Post Construction,total duct leakage: (floor area x.04)= CFM@25 Pa <br /> Post Construction, leakage to outdoors: (floor area x.04) = CFM@25 Pa <br /> Rough-In,total duct leakage with air handler installed: (floor area x .04) = 57.6 CFM@25 Pa <br /> Rough-In,total duct leakage with air handler not installed: (floor area x .03) = CFM@25 Pa <br /> Test Result: ` CFM@25Pa <br /> Ring (circle one if applicable): Open 1 3 <br /> Duct Tester Location: 2BL-5;4- d' [XV/ Pressure Tap Location: 5411 <br /> I certify that these duct leakage rates are accurate and determined using standard duct testing protocol. <br /> Company Name: G&S Heating and Cooling Technician: <br /> Technician Signature: <br /> Date: <br /> Phone Number: 425-610-4257 <br />