HomeMy WebLinkAbout2409 Spruce Creek Dr - Disclosures/Blower Door Test - 03/10/2015BUILDING LEAKAGE TEST
Date of Test: 03/10/2015 Technician: Doug Groff
Test File: Meritage Blower Door
Customer: Meritage Homes
6892 S.Yosemite Court, Suite 1-201
Centennial, Colorado 80112
Phone 720-482-0202
Building Address: 2409 Spruce Creek Drive
Fort Collins, Colorado 80528
Test Results
1. Airflow at 50 Pascals: 1045 CFM ( +/- 0.3 %)
(50 Pa = 0.2 w.c.) 1.20 ACH
0.27 CFM per ft2 floor area
2. Leakage Areas:
3. Minneapolis Leakage Ratio: 0.13 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 715.0 ( +/- 7.2 %)
Exponent (n) = 0.097 ( +/- 0.018 )
Correlation Coefficient = 0.95170
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 314.6 CFM
0.36 ACH
2. Estimated Design Infiltration Rate: Winter: 293.6 CFM
0.34 ACH
Summer: 174.8 CFM
0.20 ACH
3. Recommended Whole Building Mechanical 0.0 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: 03/10/2015 Test File: Meritage Blower Door
Building Conditions
Inside Temperature: 73 deg F Heating Fuel: Gas
Outside Temperature: 33 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: 4.0
Volume: 52173 ft3 Ventilation Weather Factor: 0.87
Surface Area: 8043 ft2 Energy Climate Factor: 17.0
Floor Area: 3872 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
Garage with respect to House @50 PA = 46
BUILDING LEAKAGE TEST Page 3
Date of Test: 03/10/2015 Test File: Meritage Blower Door
Data Points: Data Entered Manually
Nominal
Building
Pressure (Pa)
Fan Pressure
(Pa)
Nominal
Flow
Temperature
Adjusted
Flow % Error
Fan
Configuration
Baseline
Std Dev (Pa)
-2.0 n/a +/- 0.00
-65.0 37.3 1110 1067 -0.1 Ring A
-60.0 36.6 1100 1058 -0.2 Ring A
-55.0 36.3 1095 1053 0.2 Ring A
-50.0 35.9 1090 1048 0.7 Ring A
-45.0 34.3 1065 1024 -0.6 Ring A