20190259 EnergyCodePrescriptive Energy Code Compliance for All Climate Zones in Washington
Project Information Contact tnformatlon
I l f r�"�e r I'ViT
1 A6
This project will use the requirements of the Prescriptive Path below and incorporate the
the minimum values listed. In addition, based on the size of the structure, the appropriate
number of additional credits are checked asghosen by the permi pplicant.
Authorized Representative Date - %
Table R402.1.1 and Table R402.1.3 Footnotes included on Page 2.
;h dwelling unit in a residential buildinc
following minimum number of credits:
options
so as
1. Small Dwelling Unit: 1.5 credits
❑ Dwelling units less than 1500 square feet in conditioned floor area with less than 300 square feet of fenestration
area. Additions to existing building that are greater than 500 square feet of heated floor area but less than 1500
square feet.
m Dwelling Unit: 3.5 credits
All dwelling units that are not included in #1 or #3. Exception: Dwelling units serving R-2 occupancies shall
require 2.5 credits.
03. Large Dwelling Unit: 4.5 credits
Dwelling units exceeding 5000 square feet of conditioned floor area.
Ions less than 500 square feet: .5 credits
Table R406.2 Summary
Option Description
Credit(s)
1a
All Climate Zones
0.5
1b
R -Value'
U -Factor'
Fenestration U-Factorb
n/a
0.30
Skylight Ll -Factor
n/a
0.50
Glazed Fenestration SHGCb,'
n/a
n/a
Ceiling'
49'
0.026
Wood Frame Wall9-"',"
21 int
0.056
Mass Wall R Value'
21/21h
0.056
Floor
309
0.029
Below Grade Wall`•'"
10/15/21 Int +TB
0.042
Slab" R -Value & Depth
10, 2 it
h/a
Table R402.1.1 and Table R402.1.3 Footnotes included on Page 2.
;h dwelling unit in a residential buildinc
following minimum number of credits:
options
so as
1. Small Dwelling Unit: 1.5 credits
❑ Dwelling units less than 1500 square feet in conditioned floor area with less than 300 square feet of fenestration
area. Additions to existing building that are greater than 500 square feet of heated floor area but less than 1500
square feet.
m Dwelling Unit: 3.5 credits
All dwelling units that are not included in #1 or #3. Exception: Dwelling units serving R-2 occupancies shall
require 2.5 credits.
03. Large Dwelling Unit: 4.5 credits
Dwelling units exceeding 5000 square feet of conditioned floor area.
Ions less than 500 square feet: .5 credits
Table R406.2 Summary
Option Description
Credit(s)
1a
Efficient Building Envelope 1a
0.5
1b
Efficient Building Envelope 1 b
1.0
10
Efficient Building Envelope 1c
2.0
1d
Efficient Building Envelope id
0.5
2a
AirLeakage Control and Efficient Ventilation 2a
0.5
2b
Air Leakage Control and Efficient Ventilation 2b
1.0
2c
Air Leakage Control and Efficient Ventilation 2c
1.5
3a
High Efficiency HVAC 3a
1.0
3b
High Efficiency HVAC 3b
1.0
3c
I High Efficiency HVAC 3c
1.5
3d
High Efficiency HVAC 3d
1.0
4
High Efficiency HVAC Distribution System
1.0
5a
Efficient Water Heating 5a
0.5
5b
Efficient Water Heating 5b
1.0
5c
Efficient Water Heating 5c
1.5
5d
Efficient Water Healing 5d
0.5
6
Renewable Electric Energy
0.5
Total Credits
*Please refer to Table R406.2 for complete option descriptions
Ris
El
❑
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❑
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glazing (window) and door portion of this calculator assumes the installed glazing and door products have an area weighted average U -factor of
. The incorporated insulation requirements are the minimum prescriptive amounts specified by the 2015 WSEC.
se 21 out all of the green drop -downs and boxes that are applicable to your project. As you make selections in the drop -downs for each section,
a values VAI be calculated for you. If you do not see the selection you need in the drop-down options, please call the W SU Energy Extension
cram at (360) 956.2042 for assistance.
Pr eot information Contactlntormahon
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HeatinaSystem Type: (&vi curerststens 0 -feat NMP
To see detailed Instructions for each section, place your cursor on the word -instructions-..
Design Temperature d
Instructions �—�� Design Temperature Difference (AT) .!
'- rl�0rt �ry AT=Wucr(/e ftws)-OuldorDesign Temp
Area of Building
Conditioned Floor Area
Instructions Conditioned Floor Area (sq h)
Average Ceiling Height
Instructions Average Ceiling Height (ft)
Glazina and Doors
instructions
Skylights
Instructions
nsulati n _
X Area —
Attic _
[
Instructions CIS
lett R Vale
`
Single Rafter or Joist
Vaulted peilings.__.-.
X Area
InSVUCtlons
77
X Area
Shcect R: Value
�.!3
Above Grade Walls (sea Roursb
Instructions f
U -Factor
X Area
S,H R� aiue
Floors
�-
Instructions"""""`
Li z. SS�
U -Factor
X Area
Select R Value
it
� . 1
Below Grade Wall[s(see Ft9un1) _..
Instructions
F -Factor
2
Select R -vale
W
No selection
�Length�
L
-,'l
Slab Below Grade }sae Fhunt n
F -Factor
Instructions
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No selection
ISelact cendnlantng
Slab on Grade (see Rwm d)
Instructions
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Location of Ducts
instructions --- -
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Figure l:
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Conditioned Volume
[� f zy �� , to
U -Factor X yyArea UA y
U -Factor X Area - — UA
0,50
U -Factor
X Area —
UA
/'
U -Factor
X Area
UA
(A Fnt(W
X Area
UA
U -Factor
X Area
UA
r o 2. ra
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—
Li z. SS�
U -Factor
X Area
UA
No selection
F -Factor
Xt
UA
No selection
�Length�
L
—.
F -Factor
Xle. ngtM
UA
No selection
Duct Leakage Coefficient
1.10
Sum of UA - J ojq
Envelope Heat Load ! V 1%, H %' Btu / Hour
Sum Or UAXa7
Air Leakage Heat Load ! ,} -i yJ .3 T3 Btu f Four
udumeX D.SXATx.Ots 7
Building Design Heat Load 3 1 �2 L 6 C Btu ] Hour
Building
and Duct
t L ?S -170,9D Building and Duct Heat Load Btu/Four
Duds 7n uncMM/WrreEspere: Sum ofeursing Heat Loss X }.}0
DUCTS}n 0(nu 6bned$PUM.- Sum otBUilding Heat LMX}
Maximum Heat Equipment Output Btu1 Hour
audtl}ng end DudHeat r „"X }.CO IV Priced Atr Rvnace
&rildirg eM DudHed LOSS X }.T5 ftv HaatWmp
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Window, Skylight and poor Schedule
Project information
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`1 Ref. U -factor
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Exempt Glazed Fenestration (15 sq. ft. max.)
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Vertical Fenestration (Windows and doors)
Component
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Contact Information
Width Height
Qt. Feet'-' Feet tech Area UA
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Width Height
Qt. Feet 11m Feet Inch
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Sum of Vertical Fenestration Area and UA
Vertical Fenestration Area Weighted U = UA/Area
Overhead Glazing (Skylights)
Component
Width Height
Sum of Overhead Glazing Area and UA
Overhead Glazing Area Weighted U = UAJArea
Total Sum of Fenestration Area and UA (for heating system sizing calculations)
o
M
mom
M
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Sum of Overhead Glazing Area and UA
Overhead Glazing Area Weighted U = UAJArea
Total Sum of Fenestration Area and UA (for heating system sizing calculations)
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