HomeMy WebLinkAbout5709 Crossview Dr - Disclosures/Blower Door Test - 03/27/2015BUILDING LEAKAGE TEST
Date of Test: 03/27/2015 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: 5709 Crossview Drive
Fort Collins, Colorado 80525
Test Results
1. Airflow at 50 Pascals: 1298 CFM ( +/- 0.1 %)
(50 Pa = 0.2 w.c.) 1.26 ACH
0.24 CFM per ft2 floor area
2. Leakage Areas:
3. Minneapolis Leakage Ratio: 0.12 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 901.2 ( +/- 1.5 %)
Exponent (n) = 0.093 ( +/- 0.004 )
Correlation Coefficient = 0.99763
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 418.1 CFM
0.41 ACH
2. Estimated Design Infiltration Rate: Winter: 491.3 CFM
0.48 ACH
Summer: 279.2 CFM
0.27 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: 03/27/2015 Test File: Meritage Blower Door
Building Conditions
Inside Temperature: 70 deg F Heating Fuel: Gas
Outside Temperature: 43 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: 5.0
Volume: 61641 ft3 Ventilation Weather Factor: 0.87
Surface Area: 11144 ft2 Energy Climate Factor: 17.0
Floor Area: 5314 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: 03/27/2015 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)
-0.0 n/a +/- 0.00
-65.0 57.0 1365 1330 -0.0 Ring A
-60.0 56.1 1355 1320 0.0 Ring A
-55.0 55.3 1345 1310 0.1 Ring A
-50.0 54.0 1330 1296 -0.2 Ring A
-45.0 53.2 1320 1286 0.1 Ring A