HomeMy WebLinkAbout320 Longleaf Ln - Disclosures/Blower Door Test - 12/29/2017BUILDING LEAKAGE TEST
L&L Home Performance
401 N Link Ln
Fort Collins, CO 80524
Phone: 970.221.3180 Fax: 970.568.0690
Email: llinsulationjh@gmail.com Website: www.ll-insulation.com
Date of Test: 12/29/2017 Test File: Bldg 30 unit 4
Technician: Justin Heldenbrand
Project Number:
Customer: Capstone
Cottage Builders Inc
224 N Lemay Ave
Fort Collins, CO 80524 Building Address: Bldg 30
320 Longleaf Ln
unit 4
Fort Collins, CO 80524
Test Results
1. Airflow at 50 Pascals: 692 CFM50 ( +/- 9.8 %)
(50 Pa = 0.2 w.c.) 2.56 ACH50
2. Leakage Area: 38.0 in2 LBL ELA @ 4 Pa
3. Building Leakage Curve: Flow Coefficient (C) = 28.0 ( +/- 82.5 %)
Exponent (n) = 0.820 ( +/- 0.222 )
Correlation Coefficient = 0.96526
4. Test Settings: Test Standard: RESNET Multi-Point Test
Test Mode: Depressurization
5. Accuracy Level Standard Level of Accuracy Test
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 45.6 CFM
0.17 ACH
9.1 CFM per person
2. Estimated Design Infiltration Rate: Winter: 75.9 CFM
0.28 ACH
Summer: 47.6 CFM
0.18 ACH
Cost Estimates
1. Estimated Cost of Air Leakage for Heating:
2. Estimated Cost of Air Leakage for Cooling:
BUILDING LEAKAGE TEST Page 2 of 4
Date of Test: 12/29/2017 Test File: Bldg 30 unit 4
Building Information
Volume 16240
Surface Area 2958
Floor Area 1680
Height 30
# of Bedrooms 4
# of Occupants 5
Year of Construction 2017
Wind Shield M
Location Climate Information
Ventilation Weather Factor 0.87
Energy Climate Factor 17.00
Heating Degree Days 6128
Cooling Degree Days 297
Design Winter Wind Speed 7.3 mph
Design Summer Wind Speed 9.4 mph
Design Winter Temp Diff 73 deg F
Design Summer Temp Diff 15 deg F
Heating and Cooling Cost and Efficiency Information
Heating Fuel Gas
Heating Fuel Cost
Heating Efficiency %
Cooling Fuel Cost
Cooling SEER
Equipment Information
Type Manufacturer Model Serial Number Custom Calibration Date
Fan Energy Conservatory Model 3 (110V) 43466-7-700 -
Micromanometer Energy Conservatory DG700 43466 9/15/2016
BUILDING LEAKAGE TEST Page 3 of 4
Date of Test: 12/29/2017 Test File: Bldg 30 unit 4
Depressurization Test:
Environmental Data
Indoor Temperature (°F) Outdoor Temperature (°F) Altitude (ft)
46.0 66.0 5003.0
Data Points
Nominal
Building Pressure
(Pa)
Baseline Adjusted
Building Pressure
(Pa)
Fan
Pressure
(Pa)
Nominal
Flow
(cfm)
Adjusted
Flow
(cfm) % Error
Fan
Configuration
-7.0 n/a n/a
-66.1 -63.6 194.2 826 889 5.5 Ring B
-61.8 -59.3 168.3 769 828 4.0 Ring B
-55.1 -52.7 133.3 685 738 2.2 Ring B
-47.4 -45.0 103.3 604 650 2.5 Ring B
-43.8 -41.4 81.8 538 579 -2.2 Ring B
-39.0 -36.6 60.2 462 497 -7.1 Ring B
-32.3 -29.9 35.1 353 381 -16.1 Ring B
-20.3 -17.9 189.2 315 339 14.1 Ring C
2.2 n/a n/a
Time Averaging Period: 0
Deviations from Standard RESNET Multi-Point Test - Test Parameters
None
- * correlation coefficient outside of normally accepted limits.
* n value and/or correlation coefficient limits are not officially part of the RESNET Multi-Point Test
Standard.
BUILDING LEAKAGE TEST Page 4 of 4
Date of Test: 12/29/2017 Test File: Bldg 30 unit 4
Comments
Building Performance Institute ID:5060608 (Building Analyst and Infiltration & Duct
Leakage Certified)
Connection to:
Mechanical -50.0pa
Garage NA