HomeMy WebLinkAbout439 Bow Creek Ln - Disclosures/Air Sealing - 03/06/2013BUILDING LEAKAGE TEST
Thermal Concepts
6617 S. College ave
Fort Collins, CO 80525
Phone: 970-223-7090
Date of Test: 3-6-13
Test File: Journey Homes 439 Bow Creek -BD
Customer: Journey Homes
Greeley, CO 80634
Phone
Test'Results-- ' "- ` - ---
Technician: Paul Higman
Building Address: 439 Bow Creek
Fort Collins, CO 80525
1. Airflow at 50 Pascals:
783 CFM (+/- 0.8 %)
(50 Pa = 0.2 w.c.)
2.51 ACH
0.35 CFM per ft2 floor area
2. Leakage Areas:
76.0 in2 (+/- 3.7 %) Canadian EgLA @ 10 Pa
39.0in2(+/-6.0%)LBLELA@4Pa
3. Minneapolis Leakage Ratio:
0.00 CFM50 per ft2 surface area
4. Building Leakage Curve:
Flow Coefficient (C) = 53.0 ( +/- 9.4 %)
Exponent (n) = 0.688 ( +/- 0.025 )
Correlation Coefficient = 0.99605
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: 40.8 CFM
0.13 ACH
2. Estimated Design Infiltration Rate: Winter: 65.9 CFM
0.21 ACH
Summer: 37.5 CFM
0.12 ACH
3. Recommended Whole Building Mechanical 52.2 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: 3-6-13 Test File: Journey Homes 439 Bow Creek -BD
Building Conditions
Inside Temperature:
68 deg F
Outside Temperature:
28 deg F
# of Stories
2.0
Wind Shield:
M
# of Occupants
# 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 =-46.8pa
House wrt Mech room = Electric water heater
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: 3-6-13 Test File: Journey Homes 439 Bow Creek -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
-55.4
232.1
902
867
-50.4
190.6
818
786
-45.6
169.6
772
742
-42.6
158.2
746
717
-35.6
128.9
674
648
-30.3
106.5
613
589
-24.7
75.8
518
498
-20.3
56.3
447
430
1.9
n/a
1.3
Ring B
-2.1
Ring B
-1.2
Ring B
-0.1
Ring B
1.7
Ring B
2.9
Ring B
-0.7
Ring"B
-2.7
Ring B
+/- 0.00
+/- 0.00