HomeMy WebLinkAbout2403 Copper Crest Ln - Disclosures/Blower Door Test - 08/06/2014BUILDING LEAKAGE TEST
Date of Test: 8/6/2014 Technician: Doug Groff
Test File: Meritage Blower Door
Customer: Meritage Homes
7400 E Orchard Rd
Greenwood Village, Colorado 80111
Phone
Building Address: 2403 Copper Crest Lane
Fort Collins, Colorado 80528
Test Results
1. Airflow at 50 Pascals: 1526 CFM ( +/- 0.1 %)
(50 Pa = 0.2 w.c.) 1.58 ACH
0.30 CFM per ft2 floor area
2. Leakage Areas:
3. Minneapolis Leakage Ratio: 0.14 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 1263.7 ( +/- 1.7 %)
Exponent (n) = 0.048 ( +/- 0.004 )
Correlation Coefficient = 0.98904
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 546.1 CFM
0.57 ACH
2. Estimated Design Infiltration Rate: Winter: 647.4 CFM
0.67 ACH
Summer: 367.8 CFM
0.38 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: 8/6/2014 Test File: Meritage Blower Door
Building Conditions
Inside Temperature: 76 deg F Heating Fuel: Gas
Outside Temperature: 60 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: 57857 ft3 Ventilation Weather Factor: 0.87
Surface Area: 10560 ft2 Energy Climate Factor: 17.0
Floor Area: 5031 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 Home @ 50 PA 39 and 47
BUILDING LEAKAGE TEST Page 3
Date of Test: 8/6/2014 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)
-0.8 n/a +/- 0.00
-65.0 75.9 1570 1546 0.1 Ring A
-60.0 75.0 1560 1537 -0.1 Ring A
-55.0 74.5 1555 1532 -0.0 Ring A
-50.0 74.0 1550 1527 0.1 Ring A
-45.0 73.0 1540 1517 -0.0 Ring A