HomeMy WebLinkAbout815 Apex Dr - Disclosures - 01/22/2004Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
01/22/04 (970)377-1056
CUSTOMER: Russ Wells
815 APEX #B �'
Fort Collins ,CO
BUILDING CONDITIONS:
Interior Temp = 68 F Exterior Temp = 35 F
volume = 15500 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
55
1271
1.5
Ring A
53
47
1176
—0.6
Ring A
49
42
1112
—1.2
Ring A
42
34
1002
—1.9
Ring A
34
28
910
1.9
Ring A
29
22
808
0.1
Ring A
Correlation Coefficient
Flow Coefficient
Exponent
r = .9955
C =
95.32
n = 0.634
Results:
Air Flow @ 50 Pascals :
1140 CFM50 +/— 0.7%
4.41 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 65.10 Square Inches +/- 7.4%
Equivalent Leakage Area (CANADA) = 120.59 Square Inches +/— 4.7%
Estimated Natural Infiltration (50 Pascal Flow Divided By 13.6)
= 84 CFM
42.0 CFM/OCCUPANT
0.33 AIR CHANGES PER HOUR
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