HomeMy WebLinkAbout3156 Bryce Dr - Disclosures/Blower Door Test - 10/23/2014BUILDING LEAKAGE TEST
Date of Test: 10/23/2014 Technician: Doug Groff
Test File: Meritage Blower Door
Customer: Meritage Homes
7400 E Orchard Rd
Greenwood Village, Colorado 80111
Phone
Building Address: 3156 Bryce Drive
Fort Collins, Colorado 80521
Test Results
1. Airflow at 50 Pascals: 873 CFM ( +/- 0.0 %)
(50 Pa = 0.2 w.c.) 1.36 ACH
0.29 CFM per ft2 floor area
2. Leakage Areas:
3. Minneapolis Leakage Ratio: 0.11 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 750.7 ( +/- 1.0 %)
Exponent (n) = 0.038 ( +/- 0.002 )
Correlation Coefficient = 0.99399
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 348.7 CFM
0.55 ACH
2. Estimated Design Infiltration Rate: Winter: 379.4 CFM
0.59 ACH
Summer: 215.6 CFM
0.34 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: 10/23/2014 Test File: Meritage Blower Door
Building Conditions
Inside Temperature: 75 deg F Heating Fuel: Gas
Outside Temperature: 55 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: 38363 ft3 Ventilation Weather Factor: 0.87
Surface Area: 7889 ft2 Energy Climate Factor: 17.0
Floor Area: 3062 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 WRT House @50 PA = 45.5
BUILDING LEAKAGE TEST Page 3
Date of Test: 10/23/2014 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)
-0.5 n/a +/- 0.00
-65.0 230.6 899 882 0.1 Ring B
-60.0 228.5 895 878 -0.1 Ring B
-55.0 227.0 892 875 -0.1 Ring B
-50.0 225.4 889 872 -0.0 Ring B
-45.0 223.9 886 869 0.1 Ring B