HomeMy WebLinkAbout2301 Ballard Ln - Disclosures/Air Sealing - 11/02/2012BUILDING LEAKAGE TEST
Thermal Concepts
6617 S. College ave
Fort Collins, CO 80525
Phone: 970-223-7090
Date of Test: 11-2-12
Test File: Journey Homes 2301 Ballard BD
Customer: Journey Homes
Greeley, CO 80634
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:
Technician: Paul Higman
Building Address: 2301 Ballard
Fort Collins, CO 80524
833 CFM (+/- 1.6 %)
2.67 ACH
0.38 CFM per ft2 floor area
90.9 in2 (+/- 5.1 %) Canadian EgLA @ 10 Pa
49.9in2(+/-8.6%)LBLELA@4Pa
0.00 CFM50 per ft2 surface area
Flow Coefficient (C) = 74.9 ( +/- 13.9 %)
Exponent (n) = 0.616 ( +/- 0.039 )
Correlation Coefficient = 0.99034
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: 52.2 CFM
0.17 ACH
2. Estimated Design Infiltration Rate: Winter:
84.3 CFM
0.27 ACH
Summer:
47.9 CFM
0.15 ACH
3. Recommended Whole Building Mechanical
48.3 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: 11-2-12 Test File: Journey Homes 2301 Ballard BD
Building Conditions
Inside Temperature:
70 deg F
Heating Fuel: Gas
Outside Temperature:
74 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:
3.0
Volume:
18741 ft3
Surface Area:
Floor Area:
2221 ft2
Design Winter Wind Speed:
9.0 mph
Design Summer Wind Speed:
7.0 mph
Comments
House wrt Garage =-48.2pa
House wrt Mech room = Electric water heater
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: 11-2-12 Test File: Journey Homes 2301 Ballard BD
Data Points: Data Entered Manually
Nominal Temperature
Building Fan Pressure Nominal Adjusted Fan Baseline
Pressure (Pa) (Pa) Flow Flow % Error Configuration Std Dev (Pa)
-1.0
n/a
+/- 0.00
-50.4
200.1
838
841
2.0
Ring B
-45.6
160.8
752
755
-2.5
Ring B
-42.6
145.7
716
719
-3.0
Ring B
-35.6
128.9
674
677
2.3
Ring B
-30.3
106.5
613
615
3.2
Ring B
-24.7
75.8
518
520
-0.5
Ring B
-20.3
56.3
447
449
-2.4
Ring B
-1.5
n/a
+/- 0.00