HomeMy WebLinkAbout421 SAN JUAN DR - DISCLOSURES - 11/3/2012 (2)BUILDING LEAKAGE TEST
Thermal Concepts
6617 S. College ave
Fort Collins, CO 80525
Phone: 970-223-7090
Date of Test: 11-3-12
Test File: Journey Homes 421 San Juan 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: 421 San Juan
Fort Collins, CO 80525
1112CFM (+/-1.1%)
2.16 ACH
0.31 CFM per ft2 floor area
120.7 in2 ( +/- 3.2 %) Canadian EgLA @ 10 Pa
66.1 in2 (+/- 5.4 %) LBL ELA @ 4 Pa
0.00 CFM50 per ft2 surface area
Flow Coefficient (C) = 98.9 ( +/- 8.8 %)
Exponent (n) = 0.618 ( +/- 0.024 )
Correlation Coefficient = 0.99612
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: 69.6 CFM
0.14 ACH
2. Estimated Design Infiltration Rate: Winter: 111.7 CFM
0.22 ACH
Summer: 63.5 CFM
0.12 ACH
3. Recommended Whole Building Mechanical 66.2 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: 11-3-12 Test File: Journey Homes 421 San Juan BD
Building Conditions
Inside Temperature:
69 deg F
Heating Fuel:
Gas
Outside Temperature:
64 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:
30804 ft3
Ventilation Weather Factor:
0.87
Surface Area:
Energy Climate Factor:
17.0
Floor Area:
3624 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 =-48.2pa
House wrt Mech room = Electric water heater
BUILDING LEAKAGE TEST Page 3
Date of Test: 11-3-12 Test File: Journey Homes 421 San Juan 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
-50.2
36.1
1092
1087
-1.1
Ring A
-45.2
32.4
1036
1031
0.3
Ring A
-40.1
29.0
982
977
2.5
Ring A
-35.0
218.8
876
872
-0.3
Ring B
-29.2
163.9
759
755
-2.9
Ring B
-25.4
147.3
720
717
0.7
Ring B
-20.0
107.2
615
612
0.5
Ring B
-1.0
n/a
+/- 0.00