HomeMy WebLinkAbout2536 Lynnhaven Ln - Disclosures/Blower Door Test - 07/25/2013BUILDING LEAKAGE TEST
Thermal Concepts
6617 S. College ave
Fort Collins, CO 80525
Phone: 970-223-7090
Date of Test: 7-25-13
Test File: Journey Homes 2536 Lynnhaven-BD
Technician: Paul Higman
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Customer: Journey Homes
Greeley, CO 80634
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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:
Building Address: 2536 Lynnhaven
Fort Collins, CO 80524
1336 CFM (+/- 0.4 %)
2.79 ACH
0.43 CFM per ft2 floor area
133.7 in2 ( +/- 2.2 %) Canadian EgLA @ 10 Pa
69.8in2(+/-3.6%)LBLELA@4Pa
0.00 CFM50 per ft2 surface area
Flow Coefficient (C) = 97.4 ( +/- 5.6 %)
Exponent (n) = 0.670 ( +/- 0.015 )
Correlation Coefficient = 0.99857
Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door, S/N 9876
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 65.7 CFM
0.14 ACH
2. Estimated Design Infiltration Rate: Winter: 88.4 CFM
0.18 ACH
Summer: 52.6 CFM
0.11 ACH
3. Recommended Whole Building Mechanical 51.3 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: 7-25-13 Test File: Journey Homes 2536 Lynnhaven-BD .
Building Conditions
Inside Temperature: 74 deg F Heating Fuel: Gas
Outside Temperature: 74 deg F Heating Fuel Cost:
#of Stories 1.0 Heating Efficiency:
Heating Degree Days: 6020
Wind Shield: M Cooling Fuel Cost:
#of Occupants Cooling SEER:
Cooling Degree Days: 287 '
#of Bedrooms: 2.0
Volume: 28769 ft3 Ventilation Weather Factor: 0.87
Surface Area: Energy Climate Factor: 17.0
Floor Area: 3080 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=�7.5 pa
House wrt Mech room = Electric water heater
BUILDING LEAKAGE TEST Page 3
Date of Test: 7-25-13 Test File: Journey Homes 2536 Lynnhaven-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)
-0.5 n/a +/-0.00
-60.1 70.3 1512 1512 0.5 Ring A
-55.0 61.4 1416 1416 -0.1 Ring A
-50.0 52.8 1315 1315 -1.1 Ring A
-45.1 48.1 • 1257 1257 1.4 Ring A
-40.8 39.5 1142 1142 -1.4 Ring A
-35.1 33.0 1046 1046 -0.0 Ring A
-30.0 27.3 953 953 1.3 Ring A
-25.0 194.8 827 827 -0.5 Ring B
-0.3 n/a +/-0.00