HomeMy WebLinkAbout827 Apex Dr - Disclosures - 08/10/2003Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
08/10/03 (970)377-1056
CUSTOMER: John Walz `Dy-
827 Apex"C"
Fort Collins Co
3UILDING CONDITIONS:
Interior Temp = 70 F Exterior Temp = 75 F
Volume = 15000 Cu. Ft. Above Grade Surface Area = 0 Sq. Ft.
Number of Stories = 2 Number of Occupants = 4
Wind Shield Factor = 1
SOUSE TEST : Depressurized
Fan Model = 3
Performed By SARA
3ata Points:
House Pressure
Fan Pressure
CFM
%Error
Fan Configuration
54
43
1167
—1.9
Ring A
45
38
1098
1.6
Ring A
35
29
961
1.4
Ring A
28
22
838
—0.5
Ring A
20
16
716
1.4
Ring A
14
10
567
—3.2
Ring A
Correlation Coefficient
Flow Coefficient
Exponent
r = .9968
C =
146.44
n = 0.525
Results:
Air Flow @ 50 Pascals :
1142 CFM50 +/— 1.1%
4.57 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 85.97 Square Inches +/—
Equivalent Leakage Area (CANADA) = 144.09 Square Inches +/—
Estimated Natural Infiltration (50 Pascal Flow Divided By 13.6)
84 CFM
= 21.0 CFM/OCCUPANT
= 0.34 AIR CHANGES PER HOUR
4.7%
2.8%