HomeMy WebLinkAbout627 SPARROW PL - DISCLOSURES - 7/16/2012 (3)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: Journey Homes 627 Sparrow BD
Customer: Journey Homes Building Address: 627 Sparrow
Fort Collins, CO 80525
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:
5. Test Settings:
Infiltration Estimates
1000CFM (+/-0.9%)
2.67 ACH
0.41 CFM per ft2 floor area
121.8 in2 ( +/- 2.5 %) Canadian EgLA @ 10 Pa
71.1 in2 (+/- 4.3 %) LBL ELA @ 4 Pa
0.00 CFM50 per ft2 surface area
Flow Coefficient (C) = 117.4 ( +/- 7.0 %)
Exponent (n) = 0.548 ( +/- 0.019 )
Correlation Coefficient = 0.99686
Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door, S/N 9876
1. Estimated Average Annual Infiltration Rate: 82.1 CFM
0.22 ACH
l
2. Estimated Design Infiltration Rate: Winter: 120.2 CFM
0.32 ACH
Summer: 68.3 CFM
0.18 ACH
3. Recommended Whole Building Mechanical 37.2 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: 7-16-12 Test File: Journey Homes 627 Sparrow BD
Building Conditions
Inside Temperature:
76 deg F
Outside Temperature:
82 deg F
# of Stories
2.0
Wind Shield:
M
# of Occupants
# of Bedrooms:
3.0
Volume:
22477 ft3
Surface Area:
Floor Area:
2413 ft2
Design Winter Wind Speed:
9.0 mph
Design Summer Wind Speed:
7.0 mph
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
Comments
House W RT Garage -47.3 pa
House W RT Mechanical Rm = Elect water heater
J
BUILDING LEAKAGE TEST Page 3
Date of Test: 7-16-12 Test File: Journey Homes 627 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)
-1.5
n/a
-50.2
268.8
970
-45.3
256.1
947
-40.5
213.8
866
-35.1
178.6
792
-30.4
152.3
732
-25.1
124.3
662
-20.2
96.9
585
-1.4
n/a
975
-1.1
Ring B
952
2.3
Ring B
871
-0.3
Ring B
796
-1.1
Ring B
736
-0.7
Ring B
666
0.3
Ring B
588
0.6
Ring B
+/- 0.00
+/- 0.00