HomeMy WebLinkAbout6939 ROSEMONT CT - DISCLOSURES - 4/21/2004DATE
04/21/04
CUSTOMER: Kaufman and Broad
6939 Rosemont 0.
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 = 35 F
Volume = 20500 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
77
1501
1.7
Ring A
52
65
1380
—1.9
Ring A
45
57
1293
—0.9
Ring A
39
50
1212
0.1
Ring A
32
41
1099
0.6
Ring A
27
34
1002
0.2
Ring A
Correlation Coefficient
Flow Coefficient
Exponent
r = .9952
C =
179.33
n = 0.521
Results:
Air Flow @ 50 Pascals :
1378 CFM50 +/— 0.7%
4.03 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 104.72 Square Inches +/— 6.2%
Equivalent Leakage Area (CANADA) 174.90 Square Inches +/— 3.8%
Estimated Natural Infiltration (50 Pascal Flow Divided By 13.6)
= 102 CFM
50.8 CFM/OCCUPANT
0.30 AIR CHANGES PER HOUR