HomeMy WebLinkAbout2815 Longboat Way - Disclosures/Final Energy - 11/19/2002Sara's Energy Scoring
813 Oxford LN
DATE FT. COLLINS, CO 80525
11/19/02 (970)377-1056
CUSTOMER: Kaufman and Broad
2815 Longboat VAV
Fort Collins ,CO1
BUILDING CONDITIONS:
Interior Temp = 68 F Exterior Temp = 45 F
Volume = 23200 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
53
95
1682
0.3
Ring A
44
84
1583
-0.0
Ring A
36
73
1477
-0.7
Ring A
29
65
1394
0.3
Ring A
25
59
1329
0.1
Ring A
18
48
1200
0.1
Ring A
Correlation
Coefficient
Flow Coefficient
Exponent
r =
.9996
C =
487.46
n = 0.311
Results:
Air Flow @ 50 Pascals :
1647 CFM50 +/- 0.2%
4.26 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 212.77 Square Inches +/- 0.9%
Equivalent Leakage Area (CANADA) = 293.15 Square Inches +/- 0.5%
Estimated Natural Infiltration (50 Pascal Flow Divided By 13.6)
= 121 CFM
= 60.7 CFM/OCCUPANT
= 0.31 AIR CHANGES PER HOUR