HomeMy WebLinkAbout2974 WILLIAM NEAL PKWY - DISCLOSURES - 12/7/2015 (4)BUILDING LEAKAGE TEST
Date of Test: 12/7/2015 Technician: Jay Bundy
Test File: Meritage Blower Door
Customer: Meritage Homes
7400 E Orchard Rd
Greenwood Village, Colorado 80111
Phone
Building Address: 2974 William Neal Pkwy
Fort Collins, Colorado 80525
Test Results
1. Airflow at 50 Pascals: 1032 CFM ( +/- 0.6 %)
(50 Pa = 0.2 w.c.) 1.61 ACH
0.32 CFM per ft2 floor area
2. Leakage Areas: 99.2 in2 ( +/- 6.2 %) Canadian EqLA @ 10 Pa
50.6 in2 ( +/- 9.6 %) LBL ELA @ 4 Pa
3. Minneapolis Leakage Ratio: 0.15 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 68.2 ( +/- 14.8 %)
Exponent (n) = 0.695 ( +/- 0.037 )
Correlation Coefficient = 0.99576
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 75.8 CFM
0.12 ACH
2. Estimated Design Infiltration Rate: Winter: 85.5 CFM
0.13 ACH
Summer: 48.6 CFM
0.08 ACH
3. Recommended Whole Building Mechanical 63.4 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: 12/7/2015 Test File: Meritage Blower Door
Building Conditions
Inside Temperature: 68 deg F Heating Fuel: Gas
Outside Temperature: 32 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: 38529 ft3 Ventilation Weather Factor: 0.87
Surface Area: 6902 ft2 Energy Climate Factor: 17.0
Floor Area: 3191 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 @ 50 PA = 45.0
BUILDING LEAKAGE TEST Page 3
Date of Test: 12/7/2015 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)
-2.1 n/a +/- 0.00
-65.0 48.8 1265 1221 0.9 Ring A
-60.0 41.5 1170 1129 -1.1 Ring A
-55.0 37.3 1110 1071 -0.1 Ring A
-50.0 32.0 1030 994 -0.7 Ring A
-45.0 28.3 970 936 1.0 Ring A