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Residential Building Air Leakage Test (Blower Door Test) Results <br />Permit #: BLD-2019-0833 <br />House address or lot number: <br />city: Anacortes <br />Cond. Floor Area (ft2): <br />1812 <br />Source (circle one): Plans <br />1211 loth St <br />98221 <br />Age of house: <br />Estimated <br />Measured <br />Results shall be reported as Air Changes per Hour at 50 Pascals (ACH50) and shall be calculated as follows: <br />ACH50 = (CFM50 x 60)/ Volume <br />Where: <br />CFM50 =Blower door fan flow at 50 Pascal pressure difference <br />Volume = Conditioned Floor Area of the housing unit x ceiling height <br />Blower Door Test Result: <br />Ring (circle one if applicable): <br />Blower Door Fan Location: <br />5.10 <br />ACH50 <br />1618.E CFM@50Pa <br />Open AO <br />0 <br />Back foyer dOOr Weather Conditions: <br />C <br />48deg 7mph <br />certify that these blower door results are accurate and determined using standard industry protocol. <br />Company Name: BUlldln <br />Performance Center Technician: Sean Slocum <br />Technician Signature <br />2015 Washington State Energy Code reference: <br />Phone Number: 360-739-0744 <br />R402.4.1.2 Testing. The building or dwelling unit shall be tested and verified as having an air leakage rate of not <br />exceeding 5 air changes per hour. Testing shall be conducted with a blower door at a pressure of 0.2 inches w.g. (50 <br />Pascals). Where required by the code official, testing shall be conducted by an approved third party. A written report <br />of the results of the test shall be signed by the party conducting the test and provided to the code official. Testing <br />shall be performed at any time after creation of all penetrations of the building thermal envelope. Once visual <br />inspection has confirmed sealing (see Table R402.4.1.1), operable windows and doors manufactured by small business <br />shall be permitted to be sealed off at the frame prior to the test. <br />