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Foss Heating + Cooling <br />333 East. Blackbulm Road Suite A <br />Mount Pernon, TrEA 99273 <br />360-336-1 S 17 Fossheating. com <br />Blower Door Test <br />Residential Building Air Leakage Test (Blower Door Test) Results <br />Permit #: <br />House address or lot number: IZ o <br />city: <br />Cond. Floor Area (ft2) <br />Zip: <br />D ` 1�, Age of house: A/!?ee'(Z% <br />Source (circle one): Plans Estimated Measured <br />Results shall be reported as Air Changes per Hour at 50 Pascals tACH50) and shall be calculated as follows: <br />ACH50 = (CFM50 x 60Y Volume `w " <br />Where: <br />CFM50 =Blower door flan flow at 50 Pascaf pressure difference <br />Volume = Conditioned Floor Area of the housing unit x ceiling height <br />Blower Door Test Result: �' �� ACH50 <br />CFM@50Pa <br />Ring (circle one if applicable': Open A B C <br />i <br />Blower Qoor Fan Locafion:Di'fI�OQI� _Weather Conditions: �1 i1 . 5 <br />OF <br />I certify that these blower door results are accurate and determined using standard industry protocol. <br />Company Name: Foss Heating and Cooling, Inc. <br />Technician: 11 <br />Technician Signature: � "" date: 2' 2 t Phone Number: 2�4 <br />2015 Washington State Energy Code reference: <br />R442.4.1.2 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 part). A written report <br />of the results of the test shall be sieved 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 />