HomeMy WebLinkAbout6514 Carmichael St - Disclosures - 02/17/2003Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
02/17/03 (970)377-1056
CUSTOMER: US Homes
6514 Carmichael
Fort Collins ,CO
BUILDING CONDITIONS:
Interior Temp = 68 F Exterior Temp = 45 F
Volume = 24000 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
56
89
1629
0.8
Ring A
50
77
1516
0.2
Ring A
44
65
1394
—0.7
Ring A
35
49
1212
—1.4
Ring A
28
38
1069
--1.0
Ring A
21
29
935
2.4
Ring A
Correlation Coefficient
Flow Coefficient
Exponent
r = .9983
C =
155.22
n = 0.582
Results:
Air Flow @ 50 Pascals :
1513 CFM50 +/— 0.6%
3.78 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 98.61 Square Inches +/— 4.1%
Equivalent Leakage Area (CANADA) = 174.13 Square Inches +/— 2.5%
Estimated Natural Infiltration (50 Pascal Flow Divided By 13.6)
= Ill CFM
= 55.7 CFM/OCCUPANT
= 0.28 AIR CHANGES PER HOUR