HomeMy WebLinkAbout1809 BRIGHTWATER DR - DISCLOSURES - 7/22/2004 (5)Sara. s Energy Scaring
813 Oxford LIB
DATE FT. COLLINS, CO 80525
07/22/04 (970)377-1056
CUSTOMER: Kaufman and BroaQ
1809 Brightwater (ji
Fart Collins ,CO
BUILDING CONDITIONS:
:
Interior Temp = 68 F Exterior Temp = 70 F
Volume = 24484 Cu. Ft. Above Grade Surface Area = Q Sq, Ft.
Number of Stories = 2 lumber 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
57
48
1750
1.2
Ring A
52
87
1650
-1.8
Ring A
45
80
1583
-1.4
Ring A
34
73
1513
2..9
Ring A.
26
59
1361
0.8
Ring A
Zit
47
1217
-2.2
Ring A
Correlation Coefficient
Flow Coefficient
Lament
r = .9872
C =
483.00
n = 0.316
Results:
Air Flow @ 50 Pascals :
1660 CFM50 +1- 1.1%
4.13 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LSL) = 212.06 Square Inches +f- 5.9%
",,Equivalent Leakage Area (cmu") = 243.33 Square Inches +I- 3.6%
Estimated natural Infiltration (50 Pascal Flow Divided By 13.6)
= 122 CFM
= 61.1 CFMlOCCUPAffr
= 0.30 AIR CAGES PER.HOUR