HomeMy WebLinkAbout920 Campfire Dr - Disclosures/Blower Door Test - 01/15/2014BUILDING LEAKAGE TEST
Date of Test: 01/15/2014 Technician: Doug Groff
Test File: DR Horton Blower door
Customer: DR Horton Building Address: 920 Campfire 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:
1112CFM (+/-0.3%)
3.45 ACH
0.50 CFM per ft2 floor area
267.5 in2 (+/- 3.3 %) Canadian EgLA @ 10 Pa
230.2 in2 (+/- 5.0 %) LBL ELA @ 4 Pa
0.27 CFM50 per ft2 surface area
Flow Coefficient (C) = 683.1 (+/- 7.7 %)
Exponent (n) = 0.125 ( +/- 0.019 )
Correlation Coefficient = 0.96549
Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 247.4 CFM
0.77 ACH
2. Estimated Design Infiltration Rate: Winter:
389.0 CFM
1.21 ACH
Summer:
221.1 CFM
0.69 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: 01/15/2014 Test File: DR Horton Blower door
Building Conditions
Inside Temperature:
68 deg F
Heating Fuel:
Gas
Outside Temperature:
46 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:
19354 ft3
Ventilation Weather Factor:
0.87
Surface Area:
4140 ft2
Energy Climate Factor:
17.0
Floor Area:
2232 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: 46.5 Pa @ 50 Pa
BUILDING LEAKAGE TEST Page 3
Date of Test: 01/15/2014 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)
-1.1
n/a
-65.0
41.9
1175
1150
0.3
Ring A
-60.0
40.8
1160
1136
0.0
Ring A
-55.0
39.7
1145
1121
-0.2
Ring A
-50.0
38.3
1125
1101
-0.7
Ring A
-45.0
38.3
1125
1101
0.6
Ring A
+/- 0.00