HomeMy WebLinkAbout241 CORDOVA RD - DISCLOSURES - 2/16/2018 (6)BUILDING 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: 2/16/2018 Test File: Bldg 22 unit 2
Technician: Justin Heldenbrand
Project Number:
Customer: Capstone
Cottage Builders Inc
224 N Lemay Ave
Fort Collins, CO 80524 Building Address: Bldg 22
241 Cordova Rd
unit 2
Fort Collins, CO 80524
Test Results
1. Airflow at 50 Pascals: 678 CFM50 ( +/- 1.0 %)
(50 Pa = 0.2 w.c.) 2.08 ACH50
2. Leakage Area: 37.3 in2 LBL ELA @ 4 Pa
3. Building Leakage Curve: Flow Coefficient (C) = 21.2 ( +/- 7.3 %)
Exponent (n) = 0.886 ( +/- 0.020 )
Correlation Coefficient = 0.99974
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: 39.5 CFM
0.12 ACH
6.6 CFM per person
2. Estimated Design Infiltration Rate: Winter: 74.4 CFM
0.23 ACH
Summer: 46.7 CFM
0.14 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: 2/16/2018 Test File: Bldg 22 unit 2
Building Information
Volume 19540
Surface Area 2416
Floor Area 1800
Height 20
# of Bedrooms 5
# of Occupants 6
Year of Construction 2018
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: 2/16/2018 Test File: Bldg 22 unit 2
Depressurization Test:
Environmental Data
Indoor Temperature (°F) Outdoor Temperature (°F) Altitude (ft)
43.0 31.0 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
-13.8 n/a n/a
-73.4 -59.5 181.9 799 788 -0.4 Ring B
-66.6 -52.6 149.0 724 714 0.7 Ring B
-61.9 -47.9 125.9 666 657 0.5 Ring B
-56.1 -42.2 99.0 591 583 -0.1 Ring B
-49.8 -35.8 74.4 513 506 0.2 Ring B
-43.5 -29.6 50.7 424 418 -1.8 Ring B
-37.6 -23.7 35.4 355 350 0.2 Ring B
-32.4 -18.4 23.0 286 282 0.7 Ring B
-14.1 n/a n/a
Time Averaging Period: 0
Deviations from Standard RESNET Multi-Point Test - Test Parameters
None
BUILDING LEAKAGE TEST Page 4 of 4
Date of Test: 2/16/2018 Test File: Bldg 22 unit 2
Comments
Building Performance Institute ID:5060608 (Building Analyst and Infiltration & Duct
Leakage Certified)
Connection to:
Mechanical -50.0pa
Garage NA