HomeMy WebLinkAbout1220 Truxtun Dr - Disclosures/Final Energy - 08/26/2005Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
08/25/05 (970)377-1056
CUSTOMER: US Homes
1220 Truxun
Fort collins co
BUILDING CONDITIONS:
Interior Temp.= 68 F Exterior Temp = 70 F
Volume = 24500 Cu. Ft. Above Grade Surface Area = 0 Sq. Ft.
Number of Stories = 2 Number of Occupants = 2
Wind Shield Factor 1
HOUSE TEST Depressurized
Fan Model = 3
Performed By SARA
Data Points:
House Pressure Fan Pressure CFM %Error Fan Configuratior
56 105 1811. 0.8 Ring A
51 93 .1705 0.3 Ring A
43 72 1502 —2.4 Ring A
34 58 1350 0.7 Ring A
28 45 1191 —0.4 Ring A
21 33 1021 1.1 Ring A
Correlation Coefficient Flow Coefficient Exponent
r = •9979 C = 169.33 n = 0.587
Results:
Air Flow @ 50 Pascals
1681 CFM50 +/— 0.7%
= 4.12 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) 108.27 Square Inches +/— 4.5%
Equivalent Leakage Area (CANADA) = 191.99 Square Inches +/— 2.8%
Estimated Natural Infiltration (50 Pascal Flow Divided By 13.6)
124 CFM
61.9 CFM/OCCUPANT
= 0.330. AIR CHANGES PER HOUR