HomeMy WebLinkAbout744 Campfire Dr - Disclosures/Blower Door Test - 06/25/2014BUILDING LEAKAGE TEST
Date of Test: 06/25/2014 Technician: Doug Groff
Test File: DR Horton Blower door
Customer: DR Horton Building Address: 744 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:
1115 CFM (+/- 0.1 %)
2.19ACH
0.36 CFM per ft2 floor area
0.18 CFM50 per ft2 surface area
Flow Coefficient (C) = 843.7 ( +/- 2.4 %
Exponent (n) = 0.071 ( +/- 0.006 )
Correlation Coefficient = 0.98924
Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 325.0 CFM
0.64 ACH
2. Estimated Design Infiltration Rate: Winter:
446.2 CFM
0.87 ACH
Summer:
253.6 CFM
0.50 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: 06/25/2014 Test File: DR Horton Blower door
Building Conditions
Inside Temperature:
72 deg F
Heating Fuel:
Gas
Outside Temperature:
69 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:
30599 ft3
Ventilation Weather Factor:
0.87
Surface Area:
6152 ft2
Energy Climate Factor:
17.0
Floor Area:
3082 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: 47 Pa @ 50 Pa
BUILDING LEAKAGE TEST Page 3
Date of Test: 06/25/2014 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)
-0.8
n/a
+/- 0.00
-65.0
39.4
1140
1137
0.1
Ring A
-60.0
38.7
1130
1127
-0.2
RingA
-55.0
38.3
1125
1122
0.0
RingA
-50.0
37.6
1115
1112
-0.2
RingA
-45.0
37.3
1110
1107
0.1
Ring A