HomeMy WebLinkAbout380 Bannock St - Disclosures/Air Sealing - 08/01/2012BUILDING LEAKAGE TEST
Thermal Concepts
P.O. Box 270066
Fort Collins, CO 80527
Phone: 970-223-7090
Date of Test: 8-1-12 Technician: Paul Higman
Test File: Encore Homes 380 Bannock whitcomb BD
Customer: Encore Homes Building Address: 380 Bannock
Fort Collins, CO 80524
Windsor, CO 80550
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:
Infiltration Estimates
962 CFM (+/- 1.1 %)
3.69 ACH
0.52 CFM per ft2 floor area
78.3 in2 ( +1- 4.4 %) Canadian EgLA @ 10 Pa
36.3 in2 (+/- 7.4 %) LBL ELA @ 4 Pa
0.00 CFM50 per ft2 surface area
Flow Coefficient (C) = 42.4 ( +/- 11.8 %)
Exponent (n) = 0.798 ( +/- 0.032 )
Correlation Coefficient = 0.99674
Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door, S/N 9876
1. Estimated Average Annual Infiltration Rate: 38.3 CFM
0.15 ACH
2. Estimated Design Infiltration Rate: Winter: 61.4 CFM
0.24 ACH
Summer: 34.9 CFM
0.13 ACH
3. Recommended Whole Building Mechanical 40.2 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: 8-1-12 Test File: Encore Homes 380 Bannock whitcomb BD
Building Conditions
Inside Temperature:
84 deg F
Heating Fuel:
Gas
Outside Temperature:
94 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:
15665 ft3
Ventilation Weather Factor:
0.87
Surface Area:
Energy Climate Factor:
17.0
Floor Area:
1843 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
House wrt Garage =-45.5pa
House wrt Mech = mechanical room is outside -42pa
BUILDING LEAKAGE TEST Page 3
Date of Test: 8-1-12 Test File: Encore Homes 380 Bannock whitcomb 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)
-1.2
n/a
+/- 0.00
-50.4
252.3
940
949
-0.3
Ring B
-45.2
214.8
868
876
0.6
Ring B
-40.1
172.2
778
785
-0.5
Ring B
-35.6
140.0
702
708
-1.0
Ring B
-30.5
117.6
644
650
3.2
Ring B
-25.5
77.9
525
530
-2.4
Ring B
-1.0
n/a
+/- 0.00