HomeMy WebLinkAbout5750 Crossview Dr - Disclosures/Blower Door Test - 08/06/2014BUILDING LEAKAGE TEST
Date of Test: 08/06/2015 Technician: Jay Bundy
Test File: Meritage Blower Door
Customer: Meritage Homes
6892 S.Yosemite Court, Suite 1-201
Centennial, Colorado 80112
Phone 720-482-0202
Building Address: 5750 Crossview Drive
Fort Collins, Colorado 80528
Test Results
1. Airflow at 50 Pascals: 947 CFM ( +/- 0.4 %)
(50 Pa = 0.2 w.c.) 0.94 ACH
0.19 CFM per ft2 floor area
2. Leakage Areas: 79.6 in2 ( +/- 4.1 %) Canadian EqLA @ 10 Pa
37.6 in2 ( +/- 6.3 %) LBL ELA @ 4 Pa
3. Minneapolis Leakage Ratio: 0.09 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 45.2 ( +/- 9.7 %)
Exponent (n) = 0.778 ( +/- 0.024 )
Correlation Coefficient = 0.99852
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 56.7 CFM
0.06 ACH
2. Estimated Design Infiltration Rate: Winter: 63.6 CFM
0.06 ACH
Summer: 36.1 CFM
0.04 ACH
3. Recommended Whole Building Mechanical 87.3 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: 08/06/2015 Test File: Meritage Blower Door
Building Conditions
Inside Temperature: 78 deg F Heating Fuel: Gas
Outside Temperature: 64 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: 4.0
Volume: 60583 ft3 Ventilation Weather Factor: 0.87
Surface Area: 10984 ft2 Energy Climate Factor: 17.0
Floor Area: 4984 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 @50PA = 47
BUILDING LEAKAGE TEST Page 3
Date of Test: 08/06/2015 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)
-3.0 n/a +/- 0.00
-65.0 372.4 1140 1125 0.5 Ring B
-60.0 321.5 1060 1046 -0.3 Ring B
-55.0 274.4 980 967 -1.0 Ring B
-50.0 241.6 920 908 0.6 Ring B
-45.0 201.1 840 829 0.2 Ring B