HomeMy WebLinkAbout432 PLOWMAN WAY - DISCLOSURES - 10/30/2002Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
10/30/02 (970)377-1056
CUSTOMER: Kaufman and Broad
432 Plowman Way
Fort Collins ,CO
BUILDING CONDITIONS:
Interior Temp = 68 F Exterior Temp = 45 F
Volume = 17898 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
50
1224
—1.5
Ring A
53
45
48
1200
0.7
Ring A
40
41
1110
0.5
Ring A
33
37
1055
0.9
Ring A
27
31
967
1.1
Ring A
24
852
—2.2
Ring A
Correlation Coefficient Flow Coefficient
Exponent
r = .9949
C
=
188.21
n = 0.465
Results:
Air Flow @ 50 Pascals
1159 CFM50 +/— 0.7%
3.89 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 101.63 Square Inches +/— 5.7%
Equivalent Leakage Area (CANADA) = 161.16 Square Inches +/— 3.5%
Estimated Natural Infiltration (50 Pascal Flow Divided By 12.2)
95 CFM
= 47.5 CFM/OCCUPANT
= 0.32 AIR CHANGES PER HOUR