HomeMy WebLinkAbout3839 Celtic Ln - Disclosures - 09/16/2002 (2)Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
09/16/02 (970)377-1056
CUSTOMER: Kaufman and Broad
3839 Celtic Ln
Fort Collins ,CO
BUILDING CONDITIONS:
Interior Temp = 68 F Exterior Temp = 75 F
Volume = 19050 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
58
74
1530 2.6
Ring A
53
63
1413 -1.8
Ring A
47
56
1333 -2.8
Ring A
35
48
1235 1.3
Ring A
26
37
1086 0.3
Ring A
21
31
995 0.1
Ring A
Correlation Coefficient
Flow Coefficient
Exponent
r = .9898
C = 295.26
n = 0.399
Results:
Air Flow @ 50 Pascals
= 1405 CFM50 +/- 1.1�
4.43 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) - 145.50 Square Inches +/- '6.8%
Equivalent Leakage Area (CANADA) = 217.20 Square Inches +/- 4.2%
Estimated Natural Infiltration (50 Pascal Flow Divided By 12.2)
= 115 CFM
= 57.5 CFM/OCCUPANT
= 0.36 AIR CHANGES PER HOUR