HomeMy WebLinkAbout4608 Chokecherry Trl - Disclosures/Blower Door Test - 03/31/2015 (2)BUILDING LEAKAGE TEST
GS Services Ltd
2000 S. College Ave #308
Fort Collins, CO 80525
Date of Test: 3/31/2015 Test File: PMD 4608 Chokecherry trail unit 1 BDma
Technician: Paul Higman
Project Number:
Customer: Posr Modern Development
Building Address: 4608 Chokecherry Trail
Unit 1
Fort Collins, CO 80526
Test Results
1. Airflow at 50 Pascals: 1188 CFM50 ( +/- 3.0 %)
(50 Pa = 0.2 w.c.) 2.99 ACH50
2. Leakage Area: 65.4 in2 LBL ELA @ 4 Pa
3. Building Leakage Curve: Flow Coefficient (C) = 22.2 ( +/- 20.7 %)
Exponent (n) = 1.017 ( +/- 0.058 )
Correlation Coefficient = 0.99837
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: 69.3 CFM
0.17 ACH
2. Estimated Design Infiltration Rate: Winter: 130.3 CFM
0.33 ACH
Summer: 81.8 CFM
0.21 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: 3/31/2015 Test File: PMD 4608 Chokecherry trail unit 1 BDma
Building Information
Volume 23810
Surface Area
Floor Area 2381
Height 20
# of Bedrooms 4
# of Occupants
Year of Construction 2014
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) Default
Micromanometer Energy Conservatory DG700 50-7
BUILDING LEAKAGE TEST Page 3 of 4
Date of Test: 3/31/2015 Test File: PMD 4608 Chokecherry trail unit 1 BDma
Depressurization Test:
Environmental Data
Indoor Temperature (°F) Outdoor Temperature (°F) Altitude (ft)
68.0 64.0 5000.0
Data Points - Data Entered Manually
Nominal
Building Pressure
(Pa)
Baseline Adjusted
Building Pressure
(Pa)
Fan
Pressure
(Pa)
Nominal
Flow
(cfm)
Adjusted
Flow
(cfm) % Error
Fan
Configuration
-1.8 n/a n/a
-60.5 -58.8 50.4 1285 1391 -0.7 Ring A
-55.2 -53.5 40.1 1150 1245 -2.2 Ring A
-45.6 -43.9 27.5 957 1036 -0.5 Ring A
-40.1 -38.4 202.5 843 913 0.5 Ring B
-34.9 -33.2 160.0 750 812 3.6 Ring B
-30.7 -29.0 117.6 644 697 2.1 Ring B
-25.2 -23.5 74.6 514 557 0.9 Ring B
-20.3 -18.6 282.6 387 419 -3.6 Ring C
-1.6 n/a n/a
Time Averaging Period: 10
Deviations from Standard RESNET Multi-Point Test - Test Parameters
None
- * n value 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: 3/31/2015 Test File: PMD 4608 Chokecherry trail unit 1 BDma
Comments
House wrt Garage = -46.1 pa