HomeMy WebLinkAbout2303 Strawfork Dr - Disclosures/Air Sealing - 12/13/2012w
BUILDING LEAKAGE TEST
Thermal Concepts
6617 S. College Ave
Fort Collins, CO 80525
Phone:970-223-7090
Date of Test: 12-13-12 Technician: Paul Higman
Test File: Bartran Homes 2303 Strawfork Dr BD
Customer: Bartran Homes Building Address: 2303 Strawfork Dr
Fort Collins, CO 80525
Fort Collins, 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:
1841 CFM (+/- 0.5 %)
3.78 ACH
0.57 CFM per ft2 floor area
179.6 in2 ( +/- 1.4 %) Canadian EgLA @ 10 Pa
92.5 in2 (+/- 2.4 %) LBL ELA @ 4 Pa
0.00 CFM50 per ft2 surface area
Flow Coefficient (C) = 126.3 ( +/- 3.9 %)
Exponent (n) = 0.685 ( +/- 0.011 )
Correlation Coefficient = 0.99935
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: 103.3 CFM
0.21 ACH
2. Estimated Design Infiltration Rate: Winter: 156.3 CFM
0.32 ACH
Summer: 88.8 CFM
0.18 ACH
3. Recommended Whole Building Mechanical 43.2 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: 12-13-12 Test File: Bartran Homes 2303 Strawfork Dr BD
Building Conditions
Inside Temperature:
70 deg F
Heating Fuel:
Gas
Outside Temperature:
28 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:
29241 ft3
Ventilation Weather Factor:
0.87
Surface Area:
Energy Climate Factor:
17.0
Floor Area:
3245 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 = -47.3pa
House wrt Mech Rm= Power vented water heater
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