HomeMy WebLinkAbout856 Campfire Dr - Disclosures/Blower Door Test - 04/03/2014BUILDING LEAKAGE TEST
Date of Test: 03/28/2014 Technician: Doug Groff
Test File: DR Horton Blower door
Customer: DR Horton
7600 E Orchard Rd #350-S
Greenwood Village, Colorado 80111
Phone
Building Address: 856 Campfire Drive - Final Reports
Fort Collins, Colorado 80524
Test Results
1. Airflow at 50 Pascals: 1150 CFM ( +/- 0.1 %)
(50 Pa = 0.2 w.c.) 2.40 ACH
0.36 CFM per ft2 floor area
2. Leakage Areas:
3. Minneapolis Leakage Ratio: 0.17 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 880.4 ( +/- 1.0 %)
Exponent (n) = 0.068 ( +/- 0.003 )
Correlation Coefficient = 0.99759
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 302.2 CFM
0.63 ACH
2. Estimated Design Infiltration Rate: Winter: 463.7 CFM
0.97 ACH
Summer: 263.5 CFM
0.55 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:
B1303938
BUILDING LEAKAGE TEST Page 2
Date of Test: 03/28/2014 Test File: DR Horton Blower door
Building Conditions
Inside Temperature: 70 deg F Heating Fuel: Gas
Outside Temperature: 45 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: 28771 ft3 Ventilation Weather Factor: 0.87
Surface Area: 6892 ft2 Energy Climate Factor: 17.0
Floor Area: 3238 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: 49.9 Pa @ 50 Pa
B1303938
BUILDING LEAKAGE TEST Page 3
Date of Test: 03/28/2014 Test File: DR Horton 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)
-14.6 n/a +/- 0.00
-65.0 42.3 1180 1152 0.1 Ring A
-60.0 41.5 1170 1142 -0.0 Ring A
-55.0 40.8 1160 1132 -0.1 Ring A
-50.0 40.1 1150 1123 -0.1 Ring A
-45.0 39.4 1140 1113 0.1 Ring A
B1303938