HomeMy WebLinkAbout393 Bannock St - Disclosures/Air Sealing - 05/09/2012BUILDING LEAKAGE TEST
Thermal Concepts
P.O. Box 270066
Fort Collins, CO 80527
Phone: 970-223-7090
Date of Test: 5-9-12 Technician: Paul Higman
Test File: Encore Homes 393 Bannock 1843 final BD
Customer: Encore Homes Building Address: 393 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
1058 CFM (+/- 0.5 %)
3.64 ACH
0.55 CFM per ft2 floor area
101.7 in2 ( +/- 1.8 %) Canadian EgLA @ 10 Pa
51.9in2(+/-3.0%)LBLELA@4Pa
0.00 CFM50 per ft2 surface area
Flow Coefficient (C) = 69.9 ( +/- 4.8 %)
Exponent (n) = 0.695 ( +/- 0.013 )
Correlation Coefficient = 0.99896
Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door, S/N 9876
1. Estimated Average Annual Infiltration Rate: 57.9 CFM
0.20 ACH
2. Estimated Design Infiltration Rate: Winter: 87.7 CFM
0.30 ACH
Summer: 49.8 CFM
0.17 ACH
3. Recommended Whole Building Mechanical 47.3 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: 5-9-12 Test File: Encore Homes 393 Bannock-1 843final BD
Building Conditions
Inside Temperature:
70 deg F
Outside Temperature:
72 deg F
# of Stories
2.0
Wind Shield:
M
# of Occupants
# of Bedrooms:
4.0
Volume:
17424 ft3
Surface Area:
Floor Area:
1936 ft2
Design Winter Wind Speed:
9.0 mph
Design Summer Wind Speed:
7.0 mph
Comments
House wrt Garage = -48pa
House wrt Mech = mechanical room is outside
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: 5-9-12 Test File: Encore Homes 393 Bannock 1843 final 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
-55.2
37.8
1117
1119
-0.1
Ring A
-51.2
33.6
1055
1057
-0.5
Ring A
-45.8
28.6
975
977
-0.5
Ring A
-40.0
236.3
910
912
2.2
Ring B
-34.3
181.3
798
800
-0.0
Ring B
-30.5
152.3
732
733
-0.3
Ring B
-25.5
118.4
646
647
0.1
Ring B
-20.8
85.5
550
551
-1.3
Ring B
-0.8
n/a
+/- 0.00