HomeMy WebLinkAbout932 RIDGE RUNNER DR - DISCLOSURES - 9/30/2013g (2)o I blLF
BUILDING LEAKAGE TEST
Date of Test: 9/30/2013
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:
3. Minneapolis Leakage Ratio:
4. Building Leakage Curve:
5. Test Settings:
Infiltration Estimates
Technician: Doug Groff
Building Address: 932 Ridge Runner Drive
Fort Collins, Colorado 80524
984 CFM (+/- 0.3 %)
2.17 ACH
0.31 CFM per ft2 floor area
233.8 in2 (+/- 3.0 %) Canadian EgLA @ 10 Pa
199.8 in2 (+/- 4.6 %) LBL ELA @ 4 Pa
0.14 CFM50 per ft2 surface area
Flow Coefficient (C) = 586.9 ( +/- 7.1 %)
Exponent (n) = 0.132 ( +/- 0.018 )
Correlation Coefficient = 0.97403
Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
1. Estimated Average Annual Infiltration Rate: 171.8 CFM
0.38 ACH
2. Estimated Design Infiltration Rate: Winter: 253.0 CFM
0.56 ACH
Summer: 150.6 CFM
0.33 ACH
3. Recommended Whole Building Mechanical 0.3 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: 9/30/2013 Test File: DR Horton Blower door
Building Conditions
Inside Temperature:
74 deg F
Heating Fuel:
Gas
Outside Temperature:
66 deg F
Heating Fuel Cost:
# of Stories
1.0
Heating Efficiency:
Heating Degree Days:
6020
Wind Shield:
M
Cooling Fuel Cost:
# of Occupants
Cooling SEER:
Cooling Degree Days:
287
# of Bedrooms:
2.0
Volume:
27200 ft3
Ventilation Weather Factor:
0.87
Surface Area:
6894 ft2
Energy Climate Factor:
17.0
Floor Area:
3186 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: 9/30/2013 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)
-0.8
n/a
+/- 0.00
-65.0
32.0
1030
1022
0.5
Ring A
-60.0
30.7
1010
1002
-0.4
Ring A
-55.0
29.9
997
989
-0.5
Ring A
-50.0
29.4
988
981
-0.1
Ring A
-45.0
28.8
979
972
0.4
Ring A