HomeMy WebLinkAbout5609 Falling Water Dr - Disclosures/Final Energy - 06/24/2007Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
06/24/07 (970)377-1056
CUSTOMER: Kobey Northern
5609 Falling Water �W'.
Fort collins co
BUILDING CONDITIONS:
Interior Temp = 68 F Exterior Temp = 80 F
Volume = 41200 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
40
3072
0.3
Open
52
35
2876
0.3
Open
46
29
2621
—0.2
Open
41
24
2387
—1.3
Open
36
20
2181
—0.9
Open
31
17
2012
1.8
Open
Correlation Coefficient
Flow Coefficient
Exponent
r = .9982
C =
167.42
n = 0.719
Results:
Air Flow @ 50 Pascals :
= 2787 CFM50 +/— 0.5%
= 4.06 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 128.58 Square Inches +/—
Equivalent Leakage Area (CANADA) = 257.39 Square Inches +/—
Estimated Natural Infiltration (50 Pascal Flow Divided By 13.6)
= 205 CFM
= 102.7 CFM/OCCUPANT
= 0.30 AIR CHANGES PER HOUR
X
5.2%
3.3%