HomeMy WebLinkAbout2974 HAFLINGER DR - DISCLOSURES - 12/9/2014BUILDING LEAKAGE TEST
Date of Test: 12/9/2014 Technician: Doug Groff
Test File: Meritage Blower Door
Customer: Meritage Homes
7400 E Orchard Rd
Greenwood Village, Colorado 80111
Phone
Building Address: 2974 Haflinger Drive
Fort Collins , CO 80521
Test Results
1. Airflow at 50 Pascals: 1023 CFM ( +/- 0.0 %)
(50 Pa = 0.2 w.c.) 1.33 ACH
0.28 CFM per ft2 floor area
2. Leakage Areas:
3. Minneapolis Leakage Ratio: 0.13 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 699.5 ( +/- 1.2 %)
Exponent (n) = 0.097 ( +/- 0.003 )
Correlation Coefficient = 0.99865
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 359.0 CFM
0.47 ACH
2. Estimated Design Infiltration Rate: Winter: 383.5 CFM
0.50 ACH
Summer: 217.9 CFM
0.28 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: 12/9/2014 Test File: Meritage Blower Door
Building Conditions
Inside Temperature: 78 deg F Heating Fuel: Gas
Outside Temperature: 49 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: 46243 ft3 Ventilation Weather Factor: 0.87
Surface Area: 7875 ft2 Energy Climate Factor: 17.0
Floor Area: 3624 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
GWRTH@60PA=45
BUILDING LEAKAGE TEST Page 3
Date of Test: 12/9/2014 Test File: Meritage 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)
-3.1 n/a +/- 0.00
-65.0 34.9 1075 1046 0.1 Ring A
-60.0 34.3 1065 1036 -0.0 Ring A
-55.0 33.6 1055 1026 -0.1 Ring A
-50.0 33.0 1045 1016 -0.1 Ring A
-45.0 32.3 1035 1007 0.1 Ring A