HomeMy WebLinkAbout620 SPARROW PL - DISCLOSURES - 7/16/2012 (2)BUILDING LEAKAGE TEST
Thermal Concepts
6617 S. College Ave
Fort Collins, CO 80525
Phone: 970-223-7090
Date of Test: 7-16-12 Technician: Paul Higman
Test File: Journry Homes 620 Sparrow BD
Customer: Journey Homes Building Address: 620 Sparrow
Fort Collins, CO 80525
Greeley, CO 80635
Phone
Test Results
1.- Airflow at 50 Pascals:
(50 Pa = 0.2 w.c.)
2. Leakage Areas:
1101 CFM (+/ 0.6 %)
2.01 ACH
0.34 CFM per fl2 floor area
147.1 in2 ( +/- 2.1 %) Canadian EgLA @ 10 Pa
90.6in2(+/-3.5%)LBLELA@4Pa
3. Minneapolis Leakage Ratio: 0.00 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 162.1 ( +/- 5.6 %)
Exponent (n) = 0.490 ( +/- 0.015 )
Correlation Coefficient = 0.99803
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: 92.0 CFM
0.17 ACH
2. Estimated Design Infiltration Rate: Winter: 114.7 CFM
0.21 ACH
Summer: 68.3 CFM
0.12 ACH
3. Recommended Whole Building Mechanical 49.0 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: 7-16-12 Test File: Journry Homes 620 Sparrow BD
Building Conditions
Inside Temperature:
Outside Temperature:
# of Stories
Wind Shield:
# of Occupants
79 deg F
Heating Fuel:
87 deg F
Heating Fuel Cost:
1.0
Heating Efficiency:,
Heating Degree Days:
M
Cooling Fuel Cost:
Cooling SEER:
Cooling Degree Days:
# of Bedrooms:
3.0
Volume:
32798 ft3
Surface Area:
Floor Area:
3252 ft2
Design Winter Wind Speed:
9.0 mph
Design Summer Wind Speed:
7.0 mph
Comments
Ventilation Weather Factor:
Energy Climate Factor:
Design Winter Temp Diff:
Design Summer Temp Diff:
House WRT Garage =-48.2pa
House WRT Mechanical Room= Electric water heater
Gas
6020
287
0.87
17.0
69 deg F
16 deg F
BUILDING LEAKAGE TEST Page 3
Date of Test: 7-16-12 Test File: Journry Homes 620 Sparrow 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)
-0.7.
n/a
-50.4
36.1
1093
1101
0.4
Ring A
-45.8
31.9
1028
1036
-0.9
Ring A
-40.1
267.7
968
975
-0.3
Ring B
-34.7
237.4
912
919
1.0
Ring B
-30.6
207.4
853
859
0.6
Ring B
-25.0
163.9
759
765
-0.9
Ring B
-0.9
n/a
a
n
0
+/- 0.00
+/- 0.00