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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: 11/10/17 Technician: Jeff <br /> Test File: Wooddale 767 Bridgewater <br /> Customer: Wooddale Builders Building Address: 767 Bridgewater <br /> Long Lake, MN <br /> Minnetonka, <br /> Phone <br /> Test Results <br /> 1. Airflow at 50 Pascals: 864 CFM ( +/-2.0 %) <br /> (50 Pa= 0.2 w.c.) 1.79 ACH <br /> 0.24 CFM per ft2 floor area <br /> 2. Leakage Areas: 94.5 in2 (+/-5.8 %) Canadian EqLA @ 10 Pa <br /> 51.9 in2 (+/-9.7 %) LBL ELA @ 4 Pa <br /> 3. Minneapolis Leakage Ratio: 0.15 CFM50 per ft2 surface area <br /> 4. Building Leakage Curve: Flow Coefficient(C) = 78.2 (+/- 15.7 %) <br /> Exponent(n) =0.614 ( +/-0.044 ) <br /> Correlation Coefficient= 0.98519 <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: 57.3 CFM <br /> 0.12 ACH <br /> 19.1 CFM per person <br /> (using bedrooms+ 1) <br /> 2. Estimated Design Infiltration Rate: Winter: 93.8 CFM <br /> 0.19 ACH <br /> Summer: 48.2 CFM <br /> 0.10 ACH <br /> 3. Recommended Whole Building Mechanical 58.8 CFM <br /> Ventilation Rate: (based on ASHRAE 62.2) <br /> Cost Estimates <br /> 1. Estimated Cost of Air Leakage for Heating: $ 58 per year heating <br /> 2. Estimated Cost of Air Leakage for Cooling: $ 5 per year cooling <br />