HomeMy WebLinkAbout421 Toronto St - Disclosures/Air Sealing - 07/12/2013U ( v-n t aaU
BUILDING LEAKAGE TEST
Thermal Concepts
P.O. Box 270066
Fort Collins, CO 80527
Phone: 970-223-7090
Date of Test: 7-12-13 Technician: Paul Higman
Test File: Encore Homes 421 Toronto -Whitcomb -final
Customer: Encore Homes Building Address: 421 Toronto St
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:
1017CFM (+/-0.2%)
3.90 ACH
0.55 CFM per ft2 floor area
92.3 in2 (+/- 1.2 %) Canadian EgLA @ 10 Pa
45.6 in2 (+/- 2.0 %) LBL ELA @ 4 Pa
0.00 CFM50 per ft2 surface area
Flow Coefficient (C) = 58.5 ( +/- 3.1 %)
Exponent (n) = 0.730 ( +/- 0.008 )
Correlation Coefficient = 0.99963
Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door, S/N 9876
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 48.1 CFM
0.18 ACH
2. Estimated Design Infiltration Rate: Winter: 77.1 CFM
0.30 ACH
Summer: 43.8 CFM
0.17 ACH
3. Recommended Whole Building Mechanical 35.3 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: 7-12-13 Test File: Encore Homes 421 Toronto -Whitcomb -final
Building Conditions
Inside Temperature:
75 deg F
Outside Temperature:
78 deg F
# of Stories
2.0
Wind Shield:
M
# of Occupants
# of Bedrooms:
2.0
Volume:
15665 ft3
Surface Area:
Floor Area:
1843 ft2
Design Winter Wind Speed:
9.0 mph
Design Summer Wind Speed:
7.0 mph
Comments
House wrt Garage =-47.5pa
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: 7-12-13 Test File: Encore Homes 421 Toronto -Whitcomb -final
Data Points: Data Entered Manually
Nominal Temperature
Building Fan Pressure Nominal Adjusted Fan Baseline
Pressure (Pa) (Pa) Flow Flow % Error Configuration Std Dev (Pa)
-0.1
n/a
+/- 0.00
-60.3
40.8
1159
1162
-0.2
Ring A
-54.8
35.3
1080
1083
-0.3
Ring A
-50.3
31.2
1018
1021
0.1
Ring A
-44.3
246.4
929
932
0.2
Ring B
-39.9
214.3
867
869
1.0
Ring B
-35.2
175.8
786
788
0.3
Ring B
-30.3
140.0
702
704
-0.0
Ring B
-25.2
103.7
605
607
-1.4
Ring B
-0.1
n/a
+/- 0.00