HomeMy WebLinkAbout1320 FORRESTAL DR - DISCLOSURES - 2/25/2003Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
02/25/03 (970)377-1056
CUSTOMER: US Homes
1320 forrestal J)/-P
Fort Collins ,CO
BUILDING CONDITIONS:
Interior Temp = 68 F Exterior Temp = 20 F
Volume = 36500 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 Configuration
58
200
2370
0.0
Ring A
52
182
2262
0.5
Ring A
47
160
2123
—1.2
Ring A
39
138
1973
0.3
Ring A
30
ill
1771
1.8
Ring A
24
84
1543
—1.5
Ring A
Correlation Coefficient
Flow Coefficient
Exponent
r = .9972
C =
352.96
n = 0.469
Results:
Air Flow @ 50 Pascals :
2211 CFM50 +/— 0.6%
3.63 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 191.71 Square Inches +/—
Equivalent Leakage Area (CANADA) = 305.22 Square Inches +/—
Estimated Natural Infiltration (50 Pascal Flow Divided By 13.6)
= 163 CFM
81.5 CFM/OCCUPANT
= 0.27 AIR CHANGES PER HOUR
4.2%
2.6%