HomeMy WebLinkAbout6714 Rose Creek Way - Disclosures - 08/17/2004 (2)Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
08/17/04 (970)377-1056
CUSTOMER: Kaufman and Broad
6714 Rose Creek Way #2
Fort Collins ,CO
BUILDING CONDITIONS:
Interior Temp = 68 F Exterior Temp = 70 F
Volume = 15278 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
57
53
1291
-0.0
Ring A
50
45
1191
-0.1
Ring A
42
36
1066
-0.4
Ring A
33
27
925
0.2
Ring A
24
19
777
2.3
Ring A
18
12
619
-2.7
Ring A
Correlation Coefficient
Flow Coefficient
Exponent
r = .9988
C =
107.66
n = 0.615
Results:
Air Flow @ 50 Pascals :
1191 CFM50 +/- 0.6%
= 4.68 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 71.54 Square Inches +/- 3.6%
Equivalent Leakage Area (CANADA) = 130.14 Square Inches +/- 2.2%
Estimated Natural Infiltration (50 Pascal Flow Divided By 13.6)
88 CFM
= 43.9 CFM/OCCUPANT
= 0.34 AIR CHANGES PER HOUR