HomeMy WebLinkAbout209 S Herwood St - Disclosures/Blower Door Test - 09/16/2020BUILDING 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: 9/16/2020 Test File: 209 S Sherwood St
Technician: Justin Heldenbrand
Project Number:
Customer: Stratton Custom Homes
Doug Bennett
515 N Whitcomb St
Fort Collins, CO 80521
Phone: 970.556.4297
Email: doug@strattonbuild.com
Building Address: 209 S Sherwood St
Fort Collins, CO 80521
Test Results
1. Airflow at 50 Pascals: 278 CFM50 ( +/- 0.9 %)
(50 Pa = 0.2 w.c.) 2.75 ACH50
2. Leakage Area: 15.3 in2 LBL ELA @ 4 Pa
3. Building Leakage Curve: Flow Coefficient (C) = 17.4 ( +/- 6.4 %)
Exponent (n) = 0.708 ( +/- 0.018 )
Correlation Coefficient = 0.99968
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: 14.3 CFM
0.14 ACH
7.1 CFM per person
2. Estimated Design Infiltration Rate: Winter: 25.4 CFM
0.25 ACH
Summer: 16.8 CFM
0.17 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: 9/16/2020 Test File: 209 S Sherwood St
Building Information
Volume 6072
Surface Area 1783
Floor Area 506
Height 13
# of Bedrooms 1
# of Occupants 2
Year of Construction 2020
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: 9/16/2020 Test File: 209 S Sherwood St
Depressurization Test:
Environmental Data
Indoor Temperature (°F) Outdoor Temperature (°F) Altitude (ft)
74.0 70.0 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
-0.4 n/a n/a
-60.6 -59.6 176.9 304 315 0.0 Ring C
-54.5 -53.5 152.8 282 293 0.1 Ring C
-48.9 -47.9 127.8 257 267 -1.2 Ring C
-43.7 -42.7 111.8 240 249 0.1 Ring C
-36.4 -35.4 87.0 211 219 0.4 Ring C
-30.2 -29.2 67.8 186 193 1.3 Ring C
-24.4 -23.5 48.8 157 163 -0.0 Ring C
-18.9 -17.9 33.1 129 133 -0.8 Ring C
-1.5 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: 9/16/2020 Test File: 209 S Sherwood St
Comments
BPI ID 5060608
Building Analyst & Infiltration and Duct Leakage Certified
Connection to Mech:-50pa
Connection to Garage:-46.4