HomeMy WebLinkAbout874 CAMPFIRE DR - DISCLOSURES - 3/7/2014BUILDING LEAKAGE TEST
Date of Test: 03/03/2014 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: 874 Campfire Drive
Fort Collins, Colorado 80524
Test Results
1. Airflow at 50 Pascals: 1047 CFM ( +/- 0.1 %)
(50 Pa = 0.2 w.c.) 3.66 ACH
0.46 CFM per ft2 floor area
2. Leakage Areas: 256.4 in2 ( +/- 0.5 %) Canadian EqLA @ 10 Pa
223.0 in2 ( +/- 0.8 %) LBL ELA @ 4 Pa
3. Minneapolis Leakage Ratio: 0.21 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 672.6 ( +/- 1.1 %)
Exponent (n) = 0.113 ( +/- 0.003 )
Correlation Coefficient = 0.99913
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 207.3 CFM
0.73 ACH
2. Estimated Design Infiltration Rate: Winter: 376.9 CFM
1.32 ACH
Summer: 214.2 CFM
0.75 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:
B1303184
BUILDING LEAKAGE TEST Page 2
Date of Test: 03/03/2014 Test File: DR Horton Blower door
Building Conditions
Inside Temperature: 62 deg F Heating Fuel: Gas
Outside Temperature: 25 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: 17144 ft3 Ventilation Weather Factor: 0.87
Surface Area: 5019 ft2 Energy Climate Factor: 17.0
Floor Area: 2287 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
HOUSE WRT GARAGE: 46 Pa @ 50 Pa
B1303184
BUILDING LEAKAGE TEST Page 3
Date of Test: 03/03/2014 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)
8.5 n/a +/- 0.00
-65.0 39.0 1135 1094 0.1 Ring A
-60.0 38.3 1125 1084 -0.0 Ring A
-55.0 37.6 1115 1075 -0.1 Ring A
-50.0 37.0 1105 1065 -0.0 Ring A
-45.0 36.3 1095 1055 0.1 Ring A
B1303184