REVIEWED BLD2024-0662+Energy_Calculations+5.16.2024_12.35.52_PM+4262238REVIEWED
BY
CITY OF EDMONDS
WSU Code Compliance Calculator, WSEC 2021 RECEIVED
BLD2024-0662 May 17 2024
Project Information
Bower Fire
22414 72nd PI W
Edmonds, WA 98026
Contact Information
BC Investigative Engineers
3605 C St NE
Auburn, WA98002
ANALYSIS SET UP
Messages / Results ' DEVELOPMENT SERVICES
Energy Credits not required for Alterations/Remodels
assume your inputs are complete and correct. Results do not constitute an approval. Analysis should be reviewed by your
What code compliance pathway are you using?
User -Defined Baseline (Addition/Remodel/Alteration of Existing Only)
Project Building Type?
Remodel / Alteration
Occupancy Type?
R3 Single family homes and duplexes
Code Version?
WSEC 2021
WSEC-R Rev: Oct. 2023, https://www.sbcc.wa.gov/sites/default/files/2023-12/0'
Classification:
Small Dwelling Unit -- 1314 sq. ft.
Baseline Description:
Existing Baseline - Baseline and proposed window areas are equal.
About Your Selection:
Enter baseline design details to right of proposed design below.
RESULTS - Comparison of Baseline and Proposed Design
Component Performance, R occupancies Baseline Proposed Design
U " Area UA U Area UA
Doors U =
Overhead Glazing U =
Vertical Glazing U =
Flat/Vaulted Ceilings U =
Wall (above grade) U =
Floors over Crawlspace U =
Slab on Grade F =
Below Grade Wall U =
Below Grade Slab F =
0.300
38
11.3
0.000
0
0.0
0.300
165
49.4
0.024
1,314
31.5
0.076
1,240
94.2
0.029
1,314
38.1
0.000
0
0.0
0.000
01
0.0
0.000
01
0.0
Values from Table R402.1.2 (Oct 2023)
Baseline UA Total 224.6
Required Creditsl 5.0
0.300
38
11.3
0
0.0
0.300
165
49.4
0.024
1,314
31.5
0.076
1,240
94.2
0.029
1,314
38.1
01
0.0
01
0.0
01
0.0
Proposed UA Total 224.E
Proposed Credits 0.0 from Tables 406.2 and 406.
UA Percent Reduction Calculate % UA reduction based on Additior
UA Reduction 0.0
WSU_C32021_20240223—Master (24029).xlsm 5/16/2024 1
WSU Code Compliance Calculator, WSEC 2021
THERMAL ENVELOPE DETAILS -
Conditioned Floor Area, Proposed Design 1,314 1sq. ft
Classification Small Dwelling Unit
Notes
Exterior Doors
Plan
Component
Door
Width
Height
ID
Description
Ref.
U
Qt.
Feet
I"`"
Feet
Inch
Area
UA
MF-2
Code Baseline, U=0.30
0.30
1
3
°
6
8
20
6.0
MF-3
Code Baseline, U=0.30
0.30
1
2
8
6
8
18
5.3
0
0.0
0
0.0
01
0.0
0
0.0
0
0.0
0
0.0
0
0.0
0
0.0
Sum of Area and UA 38 11.3
Exterior Doors Area Weighted U I 0.300
Overhead Glazing
Plan
ID
Component
Description
Ref.
Glazing
U
Cit.
Width
Height
Area
UA
Feet
I Inch
Feet
Inch
Sum of Area and UAI 0.01 0
Overhead Glazing Area Weighted U
Vertical Glazing Schedule Rows to Show
6
Plan
Component
Glazing
Width
Height
Feet 7
Inch
Feet
Inch
ID
Description
Ref.
U
Qt.
Area
UA
1
MF-1
U=0.30 (Code Baseline)
Table 406.2
0.30
1
6
°
6
8
40.0
12.00
2
MF-A
U=0.30 Code Baseline
Table 406.2
0.30
2
6.00
3
2
2.1
0.63
3
MF-B
U=0.30 (Code Baseline)
Table 406.2
0.30
2
3
°
3
°
18.0
5.40
4
MF-C
U=0.30 Code Baseline
Table 406.2
0.30
3
5
°
3
6
52.5
15.75
5
MF-D
U=0.30 (Code Baseline)
Table 406.2
0.30
1
7
°
4
°
28.0
8.40
6
MF-E
U=0.30 (Code Baseline)
Table 406.2
0.301
1
1 8
°
3
°
24.0
7.20
Sum of Area and UAI 164.6 49.4
Vertical Glazing Area Weighted U 0.300
Vertical Glazing and Doors Area Weighted U 0.300
Flat/Vaulted Ceilings
Plan
ID
Component
Description
Ref.
Attic
U
Area
UA
AO.0
R60 blown Attic STD baffled (2021 Code Baseline)
10-7
0.024
1,314
31.5
Sum of Area and UAl 1,3141 31.5
Walls (Above Grade)
Plan
ID
Component
Description
Ref.
Wall
U
Net Area
UA
AO.0
R15 cavity+RO foam STD 2X4W Lap
10-5
0.076
1,240
94
Sum of Area and UAl 1,2401 94
WSU_C32021_20240223-Master (24029).xlsm 5/16/2024
WSU Code Compliance Calculator, WSEC 2021
Floor over crawl or exterior
Plan
ID
Component
Description
Ref.
Floor
U
Area
UA
A0.0
R30 vented Joist 16oc (Code Baseline)
10-3
0.029
1,314
38
Sum of Area and UAI 1,314 38
Slab on Grade less than 2 feet belowgrade)
Plan
ID
Component
Description
Ref.
Slab
F
Slab
Perim
FP
Sum of Perimeter and FP1 01 0
Below Grade Walls and Slabs
Plan
ID
Component
Description
Slab
Depth
Ref.
Wall
U
Wall
Area
Wall
UA
Slab
F
Slab
Perim
Slab
UA
Sum of Area, Length and UAI 01 0.01 01 0
Compliance Certificate
Compliance Certificate Instructions
Insulation Certificate for Residential New Construction Insulation Certificate
Duct Testing Affadavits
Existing Construction Affidavit, Existing
New Construction Affidavit, New
Prescriptive Checklist for 2018 WSEC
Prescriptive Checklist
Alterations (Remodel) Worksheet
Worksheet
Heating System Sizing - Proposed Design
Try Out BetterBuiltNW's HVAC Sizing Tool: https://betterbuiltnw.com/resources/hvac-sizing-tool
Nearest Weather Station
iLynnwood
Indoor Design Temperature
70 F
Outdoor Design Temperature
24 F
Design Temperature Difference (AT)
46 F
Conditioned Floor Area, Proposed Design 1,314 ft2
Conditioned Volume 10,293 U
Leave blank to use default of B.5 ft. ceiling height
HVAC System Type JAII Other Systems (not heat pump)
Location of HVAC Distribution System Unducted
Sum of UA 225
Envelope Heat Load 10,331 Btu / Hour
Sum of UA X AT
Air Leakage Heat Load 5,114 Btu / Hour
((Volume X 0.6) X AT) X .018))
Building Design Heat Load 15,445 Btu / Hour
Air Leakage + Envelope Heat Loss
Building and Duct Heat Load 15,445 Btu / Hour
For ducts located in unconditioned space: Sum of Building Heat Loss X 1.1
For ducts located in conditioned space or ductless: Sum of Building Heat Loss X 1
Maximum Heat Equipment Output 21,623 Btu / Hour
Building and Duct Heat Loss X 1.25 for heat pumps 6.3 kW
Building and Duct Heat Loss X 1.40 for all other systems
WSU_C32021_20240223—Master (24029).xlsm 5/16/2024