HomeMy WebLinkAbout6432 Carmichael St - Disclosures - 02/17/2003DATE
02/17/03
CUSTOMER: US HOMES
6432 Carmichael
Fort Collins Co
Sara's Energy Scoring
813 Oxford LN
FT. COLLINS, CO 80525
(970)377-1056
BUILDING CONDITIONS:
Interior Temp = 68 F Exterior Temp = 45 F
Volume = 25500 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
Ring A
58
102
1742
-1.0
48
80
1545
0.8
Ring A
41
65
1394
2.0
Ring A
33
45
1162
-0.4
Ring A
26
30
951
-3.1
Ring A
18
19
759
1.2
Ring A
Correlation Coefficient
Flow Coefficient
Exponent
= 0.730
r = .9981
C =
90.97
n
Results:
Air Flow @ 50 Pascals :
= 1580 CFM50 +/- 0.8%
= 3.72 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 70.92 Square Inches +/- 5.4%
Equivalent Leakage Area (CANADA) = 143.36 Square Inches +/- 3.3%
Estimated Natural Infiltration (50 Pascal Flow Divided By 13.6)
= 116 CFM
= 58.2 CFM/OCCUPANT
= 0.27 AIR CHANGES PER HOUR