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WA ResidentialEnergyCode 2018

$57.20

Washington State Energy Code, Residential, 1st Printing – Effective July 1, 2020

Published By Publication Date Number of Pages
WA 2018 101
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PDF Catalog

PDF Pages PDF Title
3 Table of Contents
6 2018 WSEC_R Final.pdf
CHAPTER 1 – Scope and Administration
Section R101 – Scope and General Requirements
Section R102 – Alternative Materials, Design and Methods of Construction and Equipment
7 Section R103 – Construction Documents
8 Section R104 – Inspections
9 Section R105 – Validity
Section R106 – Reference Standards
Section R107 – Fees
10 Section R108 – Stop Work Order
Section R109 – Board of Appeals
Section R110 – Violations
Section R111 – Liability
12 CHAPTER 2 – Definitions
Section R201 – General
Section R202 – General Definitions
18 CHAPTER 3 – General Requirements
Section R301 – Climate Zones
TABLE R301.1: Climate Zones, Moisture Regimes and Warm-Humid Designations by State and County
19 Section R302 – Design Conditions
Section R303 – Materials, Systems and Equipment
20 TABLE R303.1.3(1): Default Glazed Window, Glass Door and Skylight U-Factor
21 TABLE R303.1.3(2): Default Opaque Door U-Factors
TABLE R303.1.3(3): Default Glazed Fenestration SHGC and VT
22 TABLE R303.1.3(4): Default U-Factors for Skylights
23 TABLE R303.1.3(5): Small Business Compliance Table: Default U-Factors for Vertical Fenestration
24 CHAPTER 4 – Residential Energy Efficiency
Section R401 – General
Section R402 – Building Thermal Envelope
25 TABLE R402.1.1: Insulation and Fenestration Requirements by Component
26 TABLE R402.1.3: Equivalent U-Factors
27 EQUATION 1: Group R Occupancy Target UA
28 EQUATION 2: Group R Occupancy Proposed UA
31 TABLE R402.4.1.1: Air Barrier and Insulation Installation
34 Section R403 – Systems
38 TABLE R403.6.1: Mechanical Ventilation System Fan Efficacy
39 Section R404 – Electrical Power and Lighting Systems
Section R405 – Simulated Performance Alternative
40 TABLE R405.2: Mandatory Compliance Measures for Simulated Performance Alternative
TABLE R405.3: Carbon Emissions Factors
42 TABLE R405.5.2(1): Specifications for the Standard Reference and Proposed Designs
45 TABLE R405.5.2(2): Default Distribution System Efficiencies for Proposed Designs
46 Section R406 – Additional Energy Efficiency Requirements
TABLE R406.2: Fuel Normalization Credits
47 TABLE 406.3: Energy Credits
54 Section R407 – Certified Passive House
56 CHAPTER 5 – Existing Buildings
Section R501 – General
57 Section R502 – Additions
Section R503 – Alterations
59 Section R504 – Repairs
Section R505 – Change of Occupancy or Use
60 CHAPTER 6 – Referenced Standards
64 APPENDIX A – Default Heat Loss Coefficients
Section A101 – General Requirements
66 Section A102 – Ceilings
73 Section A103 – Above Grade Walls
89 Section A104 – Below Grade Walls and Slabs
91 Section A105 – Floors Over Unconditioned Space
92 Section A106 – On Grade Slab Floors
93 Section A107 – Default U-Factors for Doors
97 Section A108 – Air Infiltration
98 APPENDIX RA / RB – Optional Energy Efficiency Measures
100 APPENDIX C – Exterior Design Conditions
WA ResidentialEnergyCode 2018
$57.20