HomeMy WebLinkAbout3814 Rock Creek Dr - Disclosures/Air Sealing - 03/27/2012 (6)BUILDING LEAKAGE TEST
Thermal Concepts
P.O. Box 270066
Fort Collins, CO 80527
Phone: 970-223-7090
Date of Test: 3-27-12 Technician: Paul Higman
Test File: Landmark 3814 Rock Creek C
Customer: Landmark Homes
Phone
Test Results
1. Airflow at 50 Pascals:
(50 Pa = 0.2 w.c.)
2. Leakage Areas:
3. Minneapolis Leakage Ratio:
4. Building Leakage Curve:
Building Address: 3814 Rock Creek
Unit C
Fort Collins, CO 80528
1638 CFM (+/- 2.1 %)
4.78 ACH
0.74 CFM per ft2 floor area
94.8 in2 (+/- 6.4 %) Canadian EgLA @ 10 Pa
36.2 in2 (+/- 10.7 %) LBL ELA @ 4 Pa
0.00 CFM50 per ft2 surface area
Flow Coefficient (C) = 31.5 ( +/- 17.3 %)
Exponent (n) = 1.010 ( +/- 0.048 )
Correlation Coefficient = 0.99327
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door, S/N 9876
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 41.9 CFM
0.12 ACH
2. Estimated Design Infiltration Rate: Winter: 61.2 CFM
0.18ACH
Summer: 34.8 CFM
0.10 ACH
3. Recommended Whole Building Mechanical 44.5 CFM
Ventilation Rate: (based on ASH RAE 62.2)
c
Cost Estimates
1. Estimated Cost of Air Leakage for Heating
2. Estimated Cost of Air Leakage for Cooling
BUILDING LEAKAGE TEST Paae 2
Date of Test: 3-27-12 Test File: Landmark 3814 Rock Creek C
Building Conditions
Inside Temperature:
68 deg F
Heating Fuel:
Gas
Outside Temperature:
48 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:
2.0
Volume:
20543 ff3
Ventilation Weather Factor:
0.87
Surface Area:
Energy Climate Factor:
17.0
Floor Area:
2201 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
a
BUILDING LEAKAGE TEST Page 3
Date of Test: 3-27-12 Test File: Landmark 3814 Rock Creek C
Data Points: Data Entered Manually
Nominal Temperature
Building Fan Pressure Nominal Adjusted Fan Baseline
Pressure (Pa) (Pa) Flow Flow % Error Configuration Std Dev (Pa)
-1.5
n/a
+/- 0.00
-50.9
74.2
1552
1522
-3.2
Ring A
-44.8
61.4
1416
1389
1.4
Ring A
-41.3
54.9
1340
1314
4.7
Ring A
-35.4
34.0
1061
1041
-1.8
Ring A
-30.4
235.8
909
892
-0.5
Ring B
-26.7
187.3
811
795
2.8
Ring B
-21.1
83.7
544
534
-9.6
Ring B
-17.1
63.9
476
467
1.6
Ring B
-4.3
n/a
+/- 0.00
n
Building
Leakage
(Cfm)
Building Leakage Curve
Thermal Concepts
P.O. Box 270066
Fort Collins, CO 80527
Phone: 970-223-7090
Date of Test: 3-27-12 Test File: Landmark 3814 Rock Creek C
2000
I I I I I I I
1000 ---i---rt----;--r-t--------------r---
900 --- ;--- 1--------------L---
800 ---1---1--J--1--L-1--------------L--
I I I I I I I
700---1---1-------1--------------L --
600 I I I I I I
I I I
500---rtI I yI I I I --- -- -- -Ir ---
I I I I I I I
------------L400---
I I I I I I I
I I f I I I I
I I I I I I,
I I I I I I
I I I I I I
___ i I I i i t I
200 r--- ----1--r-+--------------L---
I I I I I I I
I I I I I I I
I I I I I I I
100 I I I I I I 1
4 5 6 7 8 9 10 20
Building Pressure (Pa)
30 40 50 60