HomeMy WebLinkAbout6908 ROSEMONT CT - DISCLOSURES - 2/1/2005 (2)Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
02/01/05 (970)377-1056
CUSTOMER: Kaufman and Broad
6908 Rosemont Ct
Fort Collins ,CO
Ou1LUINU UU1V1 ITIUN6:
Interior Temp = 68 F Exterior Temp = 40 F
Volume = 26000 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
53
125
1917 0.2
Ring A
47
117
1855 0.8
Ring A
42
103
1742 —2.0
Ring A
34
94
1665 0.3
Ring A
30
88
1612 1.0
Ring A
25
76
1499 —0.5
Ring A
Correlation Coefficient Flow Coefficient
Exponent
r = .9928
C
= 539.96
n = 0.319
Results:
Air Flow @ 50 Pascals
1878 CFM50 +/— 0.7%
4.33 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 238.08 Square Inches +/— 4.4%
Equivalent Leakage Area (CANADA) = 330.22 Square Inches +/— 2.7%
Estimated Natural Infiltration (50 Pascal Flow Divided By 13.6)
= 138 CFM
= 69.2 CFM/OCCUPANT
= 0.32 AIR CHANGES PER HOUR