HomeMy WebLinkAbout5614 Coppervein St - Disclosures/Blower Door Test - 03/23/2015BUILDING LEAKAGE TEST
Date of Test: 3/23/2015 Technician: Doug Groff
Test File: Meritage Blower Door
Customer: Meritage Homes
7400 E Orchard Rd
Greenwood Village, Colorado 80111
Phone
Building Address: 5614 Coppervein Street
Fort Collins, Colorado 80528
Test Results
1. Airflow at 50 Pascals: 1381 CFM ( +/- 0.0 %)
(50 Pa = 0.2 w.c.) 1.33 ACH
0.28 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) = 1154.8 ( +/- 1.3 %)
Exponent (n) = 0.046 ( +/- 0.003 )
Correlation Coefficient = 0.99260
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 537.1 CFM
0.52 ACH
2. Estimated Design Infiltration Rate: Winter: 589.5 CFM
0.57 ACH
Summer: 334.9 CFM
0.32 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: 3/23/2015 Test File: Meritage Blower Door
Building Conditions
Inside Temperature: 70 deg F Heating Fuel: Gas
Outside Temperature: 52 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: 62247 ft3 Ventilation Weather Factor: 0.87
Surface Area: 11101 ft2 Energy Climate Factor: 17.0
Floor Area: 5011 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: 3/23/2015 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)
-1.1 n/a +/- 0.00
-65.0 61.8 1420 1396 -0.0 Ring A
-60.0 61.4 1415 1391 -0.0 Ring A
-55.0 60.9 1410 1386 0.0 Ring A
-50.0 60.5 1405 1381 0.1 Ring A
-45.0 59.6 1395 1371 -0.1 Ring A