HomeMy WebLinkAbout2248 SPRUCE CREEK DR - DISCLOSURES - 12/18/2015BUILDING LEAKAGE TEST
Date of Test: 12/18/2015 Technician: Jay Bundy
Test File: Meritage Blower Door
Customer: Meritage Homes
7400 E Orchard Rd
Greenwood Village, Colorado 80111
Phone
Building Address: 2248 Spruce Creek Drive
Fort Collins , Colorado 80528
Test Results
1. Airflow at 50 Pascals: 1103 CFM ( +/- 0.3 %)
(50 Pa = 0.2 w.c.) 1.16 ACH
0.25 CFM per ft2 floor area
2. Leakage Areas: 105.0 in2 ( +/- 3.6 %) Canadian EqLA @ 10 Pa
53.3 in2 ( +/- 5.6 %) LBL ELA @ 4 Pa
3. Minneapolis Leakage Ratio: 0.12 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 71.3 ( +/- 8.6 %)
Exponent (n) = 0.700 ( +/- 0.022 )
Correlation Coefficient = 0.99857
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 86.2 CFM
0.09 ACH
2. Estimated Design Infiltration Rate: Winter: 90.1 CFM
0.09 ACH
Summer: 51.2 CFM
0.05 ACH
3. Recommended Whole Building Mechanical 81.2 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: 12/18/2015 Test File: Meritage Blower Door
Building Conditions
Inside Temperature: 70 deg F Heating Fuel: Gas
Outside Temperature: 20 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: 57023 ft3 Ventilation Weather Factor: 0.87
Surface Area: 9092 ft2 Energy Climate Factor: 17.0
Floor Area: 4373 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 = 47.3
BUILDING LEAKAGE TEST Page 3
Date of Test: 12/18/2015 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)
-3.2 n/a +/- 0.00
-65.0 55.3 1345 1280 0.1 Ring A
-60.0 48.4 1260 1199 -0.5 Ring A
-55.0 43.0 1190 1132 0.2 Ring A
-50.0 37.6 1115 1061 0.8 Ring A
-45.0 31.0 1015 966 -0.7 Ring A