HomeMy WebLinkAbout6987 Rosemont Ct - Disclosures/Final Energy - 02/01/2005Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
02/01/05 (970)377-1056
CUSTOMER: Kaufman and Broad
6987 Rosemont Ct
Fort Collins ,CO
BUILDING CONDITIONS:
Interior Temp = 68 F Exterior Temp = 40 F
Volume = 26050 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
96
1682
0.1
Ring A
53
90
1630
—0.9
Ring A
43
81
1547
0.2
Ring A
35
74
1479
1.8
Ring A
30
64
1377
—0.7
Ring A
22
53
1254
—0.7
Ring A
Correlation
Coefficient
Flow Coefficient
Exponent
r =
.9952
C =
499.97
n = 0.300
Results:
Air Flow @ 50 Pascals :
= 1616 CFM50 +/— 0.6%
3.72 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 214.79 Square Inches +/— 3.4%
Equivalent Leakage Area (CANADA) = 292.86 Square Inches +/— 2.1%
Estimated Natural Infiltration (50 Pascal Flow Divided By 13.6)
= 119 CFM
= 59.5 CFM/OCCUPANT
= 0.27 AIR CHANGES PER HOUR