HomeMy WebLinkAbout815 Candlewood Dr - Disclosures - 10/31/2003Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
10/31/03 (970)377-1056
CUSTOMER: Kaufman and Broad
815 Candlewood Drive
Fort Collins ,CO
BUILDING CONDITIONS:
Interior Temp = 68 F Exterior Temp - 35 F
Volume = 19150 Cu. Ft. Above Grade Surface Area = 0 Sq. Ft.
Number of Stories = 2 Number of Occupants = 2
Wind Shield Factor = .9
HOUSE TEST : Depressurized
Fan Model = 3
Performed By SARA
Data Points:
House Pressure
Fan Pressure
CFM
%Error
Fan Configuration
59
91
1630
0.0
Ring A
54
84
1567
-0.6
Ring A
47
78
1511
1.0
Ring A
43
70
1432
-0.9
Ring A
34
61
1336
1.2
Ring A
27
49
1200
-0.9
Ring A
Correlation Coefficient
Flow Coefficient
Exponent
r = .9962
C =
345.63
n = 0.380
Results:
Air Flow @ 50 Pascals :
1531 CFM50 +/- 0.5%
4.80 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 166.02 Square Inches +/-
,Equivalent Leakage Area (CANADA) = 243.70 Square Inches +/-
Estimated Natural Infiltration (50 Pascal Flow Divided By 12.2)
= 125 CFM
= 62.7 CFM/OCCUPANT
= 0.39 AIR CHANGES PER HOUR
1
4.0%
2.5%