HomeMy WebLinkAbout5403 Roma Valley Ct - Disclosures - 12/25/2004Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
12/25/04 (970)377-1056
CUSTOMER: KEM Homes
5�{03 64873r Roma Valley
Fort Collins Co
BUILDING CONDITIONS:
Interior Temp = 70 F Exterior Temp = 55 F
Volume = 36500 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
58
140
2054
1.9
Ring A
50
122
1919
-1.0
Ring A
45
116
1872
-0.7
Ring A
39
108
1807
-0.5
Ring A
32
95
1696
-1.6
Ring A
20
79
1548
1.7
Ring A
Correlation Coefficient
Flow Coefficient
Exponent
r = .9880
C =
688.56
n = 0.265
Results:
Air Flow @ 50 Pascals :
1938 CFM50 +/- 0.8%
3.19 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 281.68 Square Inches +/- 4.9%
Equivalent Leakage Area (CANADA) = 371.84 Square Inches +/- 3.0%
Estimated Natural Infiltration (50 Pascal Flow Divided By 13.6)
= 143 CFM
= 71.4 CFM/OCCUPANT
= 0.23 AIR CHANGES PER HOUR