HomeMy WebLinkAbout3814 Rock Creek Dr - Disclosures/Air Sealing - 03/27/2012 (4)Date of Test: 3-27-12
Test File: Landmark 3814 Rock Creek
Customer: Landmark Homes
Phone
Test Results
BUILDING LEAKAGE TEST
Thermal Concepts
P.O. Box 270066
Fort Collins, CO 80527
Phone: 970-223-7090
Technician: Paul Higman
Building Address: 3814 Rock Creek
UnitA
Fort Collins, CO 80528
1. Airflow at 50 Pascals: 1494 CFM (+/- 1.6 %)
(50 Pa = 0.2 w.c.) 3.69ACH
0.57 CFM per ft2 floor area
2. Leakage Areas: 128.5 in2 ( +/- 5.7 %) Canadian EgLA @ 10 Pa
61.6 in2 (+/- 9.6 %) LBL ELA @ 4 Pa
3. Minneapolis Leakage Ratio: 0.00 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 75.5 ( +/-15.4 %)
Exponent (n) = 0.763 ( +/- 0.043 )
Correlation Coefficient = 0.99232
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door, S/N 9876
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 71.3 CFM
0.18ACH
2. Estimated Design Infiltration Rate: Winter: 104.1 CFM
0.26 ACH
Summer: 59.2 CFM
0.15ACH
3. Recommended Whole Building Mechanical 38.9 CFM
Ventilation Rate: (based on ASHRAE 62.2)
Cost Estimates
1. Estimated Cost of Air Leakage for Heating:
2. Estimated Cost of Air Leakage for Cooling:
0
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BUILDING LEAKAGE TEST Page 2
Date of Test: 3-27-12 Test File: Landmark 3814 Rock Creek A
Building Conditions
Inside Temperature:
68 deg F
Heating Fuel:
Gas
Outside Temperature:
48 deg F
Heating Fuel Cost:
# of Stories
2.0
Heating Efficiency:
Heating Degree Days:
6020
Wind Shield:
M
Cooling Fuel Cost:
# of Occupants
Cooling SEER:
l
Cooling Degree Days:
287
# of Bedrooms:
2.0
Volume:
24304 ff3
Ventilation Weather Factor:
0.87
Surface Area:
Energy Climate Factor:
17.0
Floor Area:
2604 ft2
Design Winter Wind Speed:
9.0 mph
Design Winter Temp Diff:
69 deg F
Design Summer Wind Speed:
7.0 mph
Design Summer Temp Diff:
16 deg F
Comments
0
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BUILDING LEAKAGE TEST Page 3
Date of Test: 3-27-12 Test File: Landmark 3814 Rock Creek
Data Points:
Nominal Temperature
Building Fan Pressure Nominal Adjusted Fan Baseline
Pressure (Pa) (Pa) Flow Flow % Error Configuration Std Dev (Pa)
-0.9
n/a
+/- 0.46
-48.7
65.4
1459
1431
-1.0
Ring A
-45.9
59.9
1399
1372
-0.6
Ring A
-41.2
50.7
1289
1265
-0.3
Ring A
-35.2
42.4
1181
1158
3.1
Ring A
-28.5
30.7
1009
990
4.2
Ring A
-27.4
25.6
923
905
-1.9
Ring A
-21.6
16.0
734
720
-5.6
Ring A
-0.8
n/a
+/- 0.66
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Building
Leakage
WITI)
Building Leakage Curve
Thermal Concepts
P.O. Box 270066
Fort Collins, CO 80527
Phone: 970-223-7090
Date of Test: 3-27-12 Test File: Landmark 3814 Rock Creek A
2000
I I I I I I I
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1000---4---------{--E---------------�----
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900 --- ---1-- -- -- - -------------- L----
--------------
700-----4 ------rt----r--r—t--------------r— --
--- I. I- I 1 I I
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600------rt------r-t-------------;----
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500-=----7------{--+-------------r----
400---4--- 4--�--�----------------
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300 ----1-�--�--�-�--------------�----
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4 5 6 7 8 9 10 20
Building Pressure (Pa)
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40 50 60