HomeMy WebLinkAbout821 Campfire Dr - Disclosures/Air Sealing - 12/31/2012BURGESS
FEW
CONSTRUCTION
CONSULTANTS
INC.
SIFCE 1.
AIR LEAKAGE REPORT
Date:
December 31, 2012
Rating No.:
Worst Case Scenario
Building Name:
2015
Rating Org.:
Burgess Inc.
Owner's Name:
DR Horton
Phone No.:
303-300-4527
Property:
821 Campfire Drive
Rater's Name:
Robert Hutchinson
Address:
Fort Collins, CO 80524
Rater's No.:
7479033
Builder's Name:
DR Horton
Weather Site:
Ft. Collins, CO
Rating Type:
Confirmed
File Name:
821 Campfire Drive Confirmed d.blg
Rating Date:
12/31/2012
Whole House Infiltration
Duct Leakage
Ventilation
Blower door test
Heating
I Cooling
Natural ACH:
0.191
0.14
ACH @ 50 Pascals:
3.071
3.07
CFM @ 25 Pascals:
8281
828
CFM @ 50 Pascals:
13001
1300
Eff. Leakage Area: [sq.in]
71.4
71.4
Specific Leakage Area:
0.00016
0.00016
ELAM00 sfshell: [sq.in]
1.031
1.03
Leakage to Outside Units
Hvac
CFM @ 25 Pascals:
10
CFM25 / CFMfan:
0.0058
CFM25 / CFA:
0.0033
CFM per Std 152:
N/A
CFM per Std 152 / CFA:
N/A
CFM @ 50 Pascals:
16
Eff. Leakage Area: [sq.in]
0.86
Thermal Efficiency:
N/A
Total Duct Leakage Units
CFM25/CFA
Total Duct Leakage:
0.0444
Mechanical:
Exhaust Only
Sensible Recovery Eff. (%):
0.0
Total Recovery Eff. (%):
0.0
Rate (cfm):
68
Hours/Day:
24.0
Fan Watts.
11.3
Cooling Ventilation:
Natural Ventilation
ASHRAE 62.2 - 2010 Ventilation Requirements
For this home to comply with ASHRAE Standard 62.2 - 2010 Ventilation and Acceptable IndoorAir Quality in
Low -Rise Residential Buildings, a minimum of 68 cfm of mechanical ventilation must be provided continuously,
24 hours per day. Alternatively, an intermittently operating mechanical ventilation system may be used if the
ventilation rate is adjusted accordingly. For example, a 136 cfm mechanical ventilation system would need to
operate 12 hours per day, as long as the system operates to provide required average ventilation once each
hour.
REM/Rate - Residential Energy Analysis and Rating Software 03.0
This information does not constitute any warranty of energy cost or savings.
01985-2012 Architectural Energy Corporation, Boulder, Colorado.
BUILDING LEAKAGE TEST
Date of Test: 12/31 /2012
Test File: DR Horton Blower door
Customer: DR Horton
7600 E Orchard Rd #350-S
Greenwood Village, Colorado 80111
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:
5. Test Settings:
Technician: Doug Groff
Building Address: 821 Campfire Drive
Fort Collins, Colorado 80524
1291 CFM (+/ 0.1 %)
3.05 ACH
0.42 CFM per ft2 floor area
255.4 in2 (+/ 1.1 %) Canadian EgLA @ 10 Pa
196.6 in2 (+/ 1.7 %) LBL ELA @ 4 Pa
0.19 CFM50 per ft2 surface area
Flow Coefficient (C) = 493.0 ( +/- 2.6 %)
Exponent (n) = 0.246 ( +/- 0.007 )
Correlation Coefficient = 0.99887
Test Standard: = CGSB
Test Mode: = Depressurization
Equipment = Model 3 Minneapolis Blower Door
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 203.8 CFM
0.48 ACH
2. Estimated Design Infiltration Rate: Winter: 332.3 CFM
0.78 ACH
Summer: 188.8 CFM
0.45 ACH
3. Recommended Whole Building Mechanical 0.0 CFM
Ventilation Rate: (based on ASHRAE 62.2)
Cost Estimates
1. Estimated Cost of Air Leakage for Heating
2. Estimated Cost of Air Leakage for Cooling
BUILDING LEAKAGE TEST Page 2
Date of Test: 12/31/2012 Test File: DR Horton Blower door
Building Conditions
Inside Temperature:
66 deg F
Heating Fuel:
Gas
Outside Temperature:
18 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:
4.0
Volume:
25437 ft3
Ventilation Weather Factor:
0.87
Surface Area:
6942 ft2
Energy Climate Factor:
17.0
Floor Area:
3043 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
Garage WRT House: 50 Pa @ 50 Pa
BUILDING LEAKAGE TEST Page 3
Date of Test: 12/31/2012 Test File: DR Horton Blower door
Data Points: Data Entered Manually
Nominal Temperature
Building Fan Pressure Nominal Adjusted Fan Baseline
Pressure (Pa) (Pa) Flow Flow % Error Configuration Std Dev (Pa)
-7.5
n/a
-65.0
60.5
-60.0
57.4
-55.0
54.5
-50.0
51.6
-45.0
48.8
o vG k P-o F7=
�GG�
1405
1339
0.2
Ring A
1370
1306
-0.1
Ring A
1335
1273
-0.2
Ring A
1300
1239
-0.1
Ring A
1265
1206
0.2
Ring A
+/- 0.00