HomeMy WebLinkAbout838 Ridge Runner Dr - Disclosures/Blower Door Test - 07/29/2013612o?1,3y
BUILDING LEAKAGE TEST
Date of Test: 7/29/2013 Technician: Doug Groff
Test File: DR Horton Blower door
Customer: DR Horton Building Address: 838 Ridge Runner Drive
7600 E Orchard Rd #350-S Fort Collins, Colorado 80524
Greenwood Village, Colorado 80111
Phone
Test Results
1. Airflow at 50 Pascals:
(50 Pa = 0.2 w.c.)
2. Leakage Areas:
3. Minneapolis Leakage Ratio:
4. Building Leakage Curve:
5. Test Settings:
1024 CFM (+/- 0.1 %)
2.67 ACH
0.39 CFM per ft2 floor area
0.17 CFM50 per ft2 surface area
Flow Coefficient (C) = 771.4 ( +/- 4.0 %
Exponent (n) = 0.073 ( +/- 0.010 )
Correlation Coefficient = 0.97241
Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 262.6 CFM
0.68 ACH
2. Estimated Design Infiltration Rate: Winter: 408.7 CFM
1.07 ACH
Summer: 232.2 CFM
0.61 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:
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BUILDING LEAKAGE TEST Page 2
Date of Test: 7/29/2013 Test File: DR Horton Blower door
Building Conditions
Inside Temperature:
77 deg F
Heating Fuel:
Gas
Outside Temperature:
68 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:
23012 ft3
Ventilation Weather Factor:
0.87
Surface Area:
5990 ft2
Energy Climate Factor:
17.0
Floor Area:
2627 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: 4613a @ 5013a
E 12D 713 Y
1. BUILDING LEAKAGE TEST Page 3
Date of Test: 7/29/2013 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)
-1.2
n/a
+/- 0.00
-65.0
33.3
1050
1041
-0.1
Ring A
-60.0
33.0
1045
1036
-0.0
Ring A
-55.0
32.6
1040
1031
0.1
Ring A
-50.0
32.3
1035
1026
0.4
Ring A
-45.0
31.4
1020
1011
-0.3
Ring A