HomeMy WebLinkAbout868 CAMPFIRE DR - DISCLOSURES - 2/24/2014 (4)BUILDING LEAKAGE TEST
Date of Test: 02/20/2014 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: 868 Campfire Drive
Fort Collins, Colorado 80524
Test Results
1. Airflow at 50 Pascals: 1235 CFM ( +/- 0.3 %)
(50 Pa = 0.2 w.c.) 2.57 ACH
0.38 CFM per ft2 floor area
2. Leakage Areas: 266.0 in2 ( +/- 3.8 %) Canadian EqLA @ 10 Pa
215.1 in2 ( +/- 5.9 %) LBL ELA @ 4 Pa
3. Minneapolis Leakage Ratio: 0.18 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 580.6 ( +/- 9.0 %)
Exponent (n) = 0.193 ( +/- 0.023 )
Correlation Coefficient = 0.97975
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 236.9 CFM
0.49 ACH
2. Estimated Design Infiltration Rate: Winter: 363.5 CFM
0.76 ACH
Summer: 206.5 CFM
0.43 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:
B1303949
BUILDING LEAKAGE TEST Page 2
Date of Test: 02/20/2014 Test File: DR Horton Blower door
Building Conditions
Inside Temperature: 64 deg F Heating Fuel: Gas
Outside Temperature: 33 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: 28771 ft3 Ventilation Weather Factor: 0.87
Surface Area: 6892 ft2 Energy Climate Factor: 17.0
Floor Area: 3238 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: 48 Pa @ 50 Pa
B1303949
BUILDING LEAKAGE TEST Page 3
Date of Test: 02/20/2014 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)
-2.7 n/a +/- 0.00
-65.0 54.5 1335 1295 0.5 Ring A
-60.0 51.6 1300 1261 -0.5 Ring A
-55.0 50.4 1285 1246 0.1 Ring A
-50.0 47.6 1250 1212 -0.7 Ring A
-45.0 46.8 1240 1203 0.6 Ring A
B1303949