HomeMy WebLinkAbout814 Campfire Dr - Disclosures/Blower Door Test - 06/03/2014BUILDING LEAKAGE TEST
Date of Test: 06/03/2014
Test File: DR Horton Blower door
Customer: DR Horton
7600 E Orchard Rd #350-S
Greenwood Village, Colorado 80111
Phone
Test Results
1. Airflow at 50 Pascals:
(50 Pa = 0.2 w.c.)
2. Leakage Areas:
Technician: Doug Groff
Building Address: 814 Campfire Drive
Fort Collins, Colorado 80524
1418 CFM (+/- 0.1 %)
3.37 ACH
0.46 CFM per ft2 floor area
3. Minneapolis Leakage Ratio: 0.21 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 1038.5 ( +/- 2.9 %)
Exponent (n) = 0.080 ( +/- 0.008 )
Correlation Coefficient = 0.98656
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 333.2 CFM
0.79 ACH
2. Estimated Design Infiltration Rate: Winter: 555.6 CFM
1.32 ACH
Summer: 315.7 CFM
0.75 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: 06/03/2014 Test File: DR Horton Blower door
Building Conditions
Inside Temperature:
80 deg F
Heating Fuel:
Gas
Outside Temperature:
86 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:
25246 ft3
Ventilation Weather Factor:
0.87
Surface Area:
6598 ft2
Energy Climate Factor:
17.0
Floor Area:
3088 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: 46 Pa @ 50 Pa
BUILDING LEAKAGE TEST Page 3
Date of Test: 06/03/2014 Test File: DR Horton Blower door
Data Points:
Data Entered Manually
Nominal
Temperature
Building
Fan Pressure
Nominal
Adjusted
Fan Baseline
Pressure (Pa)
(Pa)
Flow
Flow
% Error
Configuration Std Dev (Pa)
-9.5
n/a
+/- 0.00
-65.0
62.3
1425
1433
0.2
Ring A
-60.0
60.9
1410
1418
-0.1
Ring A
-55.0
59.6
1395
1403
-0.3
Ring A
-50.0
58.7
1385
1393
-0.1
Ring A
-45.0
57.9
1375
1383
0.2
Ring A