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� �'� `-�' Z <br /> BUILDING LEAKAGE TEST <br /> Date of Test: 1/31/17 Technician: Jeff, Riccar Heating and Air Conditioning <br /> Test File: Wooddale 758 Bridgewater <br /> Customer: Wooddale Builders Buiiding Address: 758 Bridgewater <br /> Long Lake, MN <br /> Minnetonka, <br /> Phone <br /> Test Results <br /> 1. Airflow at 50 Pascals: 849 CFM ( +/-3.3%) <br /> (50 Pa= 0.2 w.c.) 1.44 ACH <br /> 0.23 CFM per ft2 floor area <br /> 2. Leakage Areas: 91.6 in2 ( +/-g.5 %)Canadian EqLA @ 10 Pa <br /> 50.0 in2 ( +/- 14.4%) LBL ELA @ 4 Pa <br /> 3. Minneapolis Leakage Ratio: 0.19 CFM50 per ft2 surface area <br /> 4. Building Leakage Curve: Flow Coefficient(C)= 74.4 ( +/-23.4%) <br /> Exponent(n) = 0.622 (+/-0.066) <br /> Correlation Coefficient= 0.96807 <br /> 5. Test Settings: Test Standard: = CGSB <br /> Test Mode: = Depressurization <br /> Equipment= Model 3 Minneapolis Blower poor, S/N 1 <br /> Infiltration Estimates <br /> 1. Estimated Average Annual Infiltration Rate: 67.3 CFM <br /> 0.11 ACH <br /> 22.4 CFM per person <br /> (using bedrooms+ 1) <br /> 2. Estimated Design Infiltration Rate: Winter: 90.3 CFM <br /> 0.15ACH <br /> Summer: 46.3 CFM <br /> 0.08 ACH <br /> 3. Recommended Whole Building Mechanical 58.7 CFM <br /> Ventilation Rate: (based on ASHRAE 62.2) <br /> Cost Estimates <br /> 1. Estimated Cost of Air Leakage for Heating: $ 57 per year heating <br /> 2. Estimated Cost of Air Leakage for Cooling: $ 5 per year cooling <br />