HomeMy WebLinkAbout3814 Rock Creek Dr - Disclosures/Air Sealing - 03/27/2012 (2)Date of Test: 3-27-12
Test File: Landmark 3814 Rock Creek E
Customer: Landmark Homes
:11,=1
Test Results
1. Airflow at 50 Pascals:
(50 Pa = 0.2 w.c.)
2. Leakage Areas:
3. Minneapolis Leakage Ratio:
4. Building Leakage Curve:
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
Unit E
Fort Collins, CO 80528
1686 CFM (+/- 1.0 %)
4.70 ACH
0.73 CFM per ft2 floor area
102.9 in2 ( +/- 3.3 %) Canadian EgLA @ 10 Pa
40.6 in2 (+/- 5.5 %) LBL ELA @ 4 Pa
0.00 CFM50 per ft2 surface area
Flow Coefficient (C) = 36.9 ( +/- 8.9 %)
Exponent (n) = 0.977 ( +/- 0.025 )
Correlation Coefficient = 0.99842
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: 46.9 CFM
0.13ACH
2. Estimated Design Infiltration Rate: Winter: 68.6 CFM
0.19ACH
Summer: 39.0 CFM
0.11 ACH
3. Recommended Whole Building Mechanical 45.1 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:.
BUILDING LEAKAGE TEST Page 2
Date of Test: 3-27-12 Test File: Landmark 3814 Rock Creek E
Building Conditions
Inside Temperature:
68 deg F
Outside Temperature:
48 deg F
# of Stories
2.0
Wind Shield:
M
# of Occupants
# of Bedrooms:
2.0
Volume:
21513 ff3
Surface Area:
Floor Area:
2305 ft2
Design Winter Wind Speed:
9.0 mph
Design Summer Wind Speed:
7.0 mph
Comments
Heating Fuel:
Gas
Heating Fuel Cost:
Heating Efficiency:
Heating Degree Days:
6020
Cooling Fuel Cost:
Cooling SEER:
Cooling Degree Days:
287
Ventilation Weather Factor:
0.87
Energy Climate Factor:
17.0
Design Winter Temp Diff: 69 deg F
Design Summer Temp Diff. 16 deg F
BUILDING LEAKAGE TEST Page 3
Date of Test: 3-27-12 Test File: Landmark 3814 Rock Creek E
Data Points: Data Entered Manually
Nominal Temperature
Building Fan Pressure Nominal Adjusted Fan Baseline
Pressure (Pa) (Pa) Flow Flow % Error Configuration Std Dev (Pa)
-1.5
n/a
N +/- 0.00
-50.2
86.2
1670
1638
1.4
Ring A
-45.1
65.9
1465
1437
-0.7
Ring A
-41.3
53.9
1328
1303
-1.4
Ring A
-35.0
38.1
1122
1101
-1.0
Ring A
-29.5
27.9
964
946
1.8
Ring A
-25.2
173.6
781
766
-2.4
Ring B
-16.7
78.8
528
518
4.0
Ring B
-3.2
n/a
+/- 0.00
a
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 E
4 5 6 7 8 9 10- 20 30 40 50 60
Building Pressure (Pa)