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HomeMy WebLinkAbout1120 Montgomery St - Disclosures/Final Energy - 03/30/2006Enerav Scorina_ b ij oxford LN DATE FT. COLLINS, CO 80525 03/30/06 (970)377-1056 ­Ua -TOn. * Premier Custom 'uilders 1120 Montgomery #2 Fort Collins Co 3UILDING CONDITIONS: Interior Temp = 65 F volume = 15300 Cu. Ft. Number of Stories = 2 Wind Shield Factor = .9 iOUSE TEST : Depressurized Fan Model = 3 Performed By SARA 3ata Points: Exterior Temp = 50 F Above Grade Surface Area = 0 Sq. Ft. Number of Occupants = 2 House Pressure Fan Pressure CFM %Error Fan Configuration 59 40 1105 1.5 Ring A 54 34 1020 —0.8 Ring A 49 30 958 —0.6 Ring A 41 23 840 —2.2 Ring A 34 19 765 0.6 Ring A 28 15 680 1.5 Ring A Correlation Coefficient Flow Coefficient Exponent r = .9967 C = 76.25 n = 0.652 Results: Air Flow @ 50 Pascals : = 977 CFM50 +/— 0.7% = 3.83 ACH50 (Air Changes Per Hour) Effective Leakage Area (LBL) = 53.38 Square Inches +/— 6.6% Equivalent Leakage Area (CANADA) = 100.49 Square Inches +/— 4.1% Estimated Natural Infiltration (50 Pascal Flow Divided By 12.2) 80 CFM = 40.0 CFM/OCCUPANT = 0.31 AIR CHANGES PER HOUR A� �