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BUILDING LEAKAGE TEST <br /> Riccar Heating &Air Conditioning <br /> 2387 Station Parkway NW <br /> Andover, MN 55304 <br /> Phone: 763-754-4000 <br /> Fax: 763-754-0132 <br /> Date of Test: 3/1/18 Technician: Jeff <br /> Test File: Wooddale 797 Bridgewater <br /> Customer: Wooddale Builders Building Address: 797 Bridgewater <br /> Orono, MN <br /> Minnetonka, <br /> Phone <br /> Test Results <br /> 1. Airflow at 50 Pascals: 960 CFM (+/-0.5 %) <br /> (50 Pa= 0.2 w.c.) 1.81 ACH <br /> 0.27 CFM per ft2 floor area <br /> 2. Leakage Areas: 86.1 in2 (+/- 1.6 %) Canadian EqLA @ 10 Pa <br /> 42.2 in2 (+/-2.7 %) LBL ELA @ 4 Pa <br /> 3. Minneapolis Leakage Ratio: 0.18 CFM50 per ft2 surface area <br /> 4. Building Leakage Curve: Flow Coefficient(C)= 53.6 ( +/-4.4 %) <br /> Exponent(n) = 0.738 ( +/-0.012 ) <br /> Correlation Coefficient=0.99919 <br /> 5. Test Settings: Test Standard: =CGSB <br /> Test Mode: = Depressurization <br /> Equipment= Model 3 Minneapolis Blower Door, S/N 1 <br /> Infiltration Estimates <br /> 1. Estimated Average Annual Infiltration Rate: 52.0 CFM <br /> 0.10 ACH <br /> 17.3 CFM per person <br /> (using bedrooms + 1) <br /> 2. Estimated Design Infiltration Rate: Winter: 76.3 CFM <br /> 0.14 ACH <br /> Summer: 39.2 CFM <br /> 0.07 ACH <br /> 3. Recommended Whole Building Mechanical 58.1 CFM <br /> Ventilation Rate: (based on ASHRAE 62.2) <br /> Cost Estimates <br /> 1. Estimated Cost of Air Leakage for Heating: $ 65 per year heating <br /> 2. Estimated Cost of Air Leakage for Cooling: $ 5 per year cooling <br />