HomeMy WebLinkAbout3532 Green Spring Dr - Disclosures/Final Energy - 05/10/2005Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
05/10/05 (970)377-1056
CUSTOMER: KEM Homes
3532 Green Spring
Fort collins co
BUILDING CONDITIONS:
Interior Temp = 68 F Exterior Temp = 45 F
Volume = 35500 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
52
144
2067
1.0
Ring A
45
120
1888
-1.0
Ring A
39
102
1742
-2.0
Ring A
33
92
1656
1.0
Ring A
27
77
1516
2.0
Ring A
21
56
1295
-1.4
Ring A
Correlation Coefficient
Flow Coefficient
Exponent
r = .9949
C =
296.72
n = 0.489
Results:
Air Flow @ 50 Pascals :
2007 CFM50 +/- 1.0%
= 3.39 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 165.62 Square Inches +/- 5.6%
Equivalent Leakage Area (CANADA) = 268.46 Square Inches +/- 3.4%
Estimated Natural Infiltration (50 Pascal Flow Divided By 12.2)
= 164 CFM
= 82.2 CFM/OCCUPANT
0.28 AIR CHANGES PER HOUR