HomeMy WebLinkAbout3814 Rock Creek Dr - Disclosures/Air Sealing - 03/27/2012 (3)Date of Test: 3-27-12
Test File: Landmark 3814 Rock Creek F
Customer: Landmark Homes
Phone
Test Results
1. Airflow at 50 Pascals:
(50 Pa = 0.2 w.c.)
2. Leakage Areas:
3. Minneapolis Leakage Ratio:
4. Building Leakage Curve:
5. Test Settings:
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 F
Fort Collins, CO 80528
1464 CFM (+/- 1.0 %)
3.62 ACH
0.56 CFM per ft2 floor area
141.5 in2 ( +/- 3.2 %) Canadian EgLA @ 10 Pa
72.4 in2 (+/- 5.3 %) LBL ELA @ 4 Pa
0.00 CFM50 per ft2 surface area
Flow Coefficient (C) = 98.0 ( +/- 8.5 %)
Exponent (n) = 0.691 ( +/- 0.023 )
Correlation Coefficient = 0.99658
Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door, S/N 9876
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 83.8 CFM
0.21 ACH
2. Estimated Design Infiltration Rate: Winter:
122.4 CFM
0.30 ACH
Summer:
69.6 CFM
0.17 ACH
t
3. Recommended Whole Building Mechanical
32.7 CFM
Ventilation Rate: (based on ASH RAE 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 F
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:
Cooling Degree Days:
287
# of Bedrooms:
2.0
Volume:
24304 ft3
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
V
l
BUILDING LEAKAGE TEST Page 3
Date of Test: 3-27-12 Test File: Landmark 3814 Rock Creek F
Data Points:
Nominal Temperature
Building Fan Pressure Nominal Adjusted Fan Baseline
Pressure (Pa) (Pa) Flow Flow % Error Configuration Std Dev (Pa)
0.0
n/a
+/- 0.30
-50.1
65.2
1458
1430
-1.9
Ring A
-46.0
59.8
1397
1370
-0.3
Ring A
-44.1
57.2
1367
1341
0.5
Ring A
-35.9
44.2
1205
1182
2.4
Ring A
-31.3
36.9
1104
1083
3.0
Ring A
-25.9
240.7
918
901
-2.0
Ring B
-20.1
172.5
778
764
-0.7
Ring B
-14.5
103.0
603
592
-3.0
Ring B
-0.8
n/a
+/- 0.19
Building
Leakage
(Cfm)
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 F
n
4 5, 6 7 8 9 10 20 30 40 50 60
Building Pressure (Pa)