The 2021 edition of the Washington State Energy Code is hereby adopted. The Washington State Energy Code adopted under chapter 51-11C WAC shall become effective in all counties and cities of this state on

To determine which version of the WSEC-R a building permit must follow, refer to the date when the permit was issued. If the building permit was issued after: March 15th, 2024, it must meet requirements of 2021 WSEC-R; February 1st, 2021, it must meet requirements of 2018 WSEC-R; July 1st, 2016, it must meet requirements of 2015 WSEC-R

The effective date of the 2021 WSEC is MARCH 15TH, 2024. Refer to announcement on the SBCC webpage. This website provides helpful technical resources and supports the process of demonstrating compliance with the Washington State Energy Code …

Editions currently posted on the SBCC website include the 2021 WSEC, 2018 WSEC and historical editions from 2006 through 2015. WSEC documents are free to download. Official opinions issued by the SBCC are deemed advisory only and are non-binding.

2024年3月15日 · ARRANGEMENT AND FORMAT OF THE 2021 WSEC. The IECC contains two separate sets of provisions—one for commercial buildings and one for residential buildings. Each set of provisions is applied separately to buildings within their scope.

2024年3月15日 · 2021 Washington State Energy Code - Commercial Provisions. Effective dates. March 15, 2024 - Present. Adopts with amendments. International Energy Conservation Code 2021 (IECC 2021) IECC—COMMERCIAL Provisions. Chapter 1 [CE] Scope and Administration. Chapter 2 [CE] Definitions.

2021 WSEC-R ENERGY CODE COOKBOOK V1.1 • PAGE 8 BENEFITS • Consistent heating performance at extreme low temperatures • Automates and optimizes heating/cooling thermostat schedules • Prevents temperature fluctuations and energy loss from air leaks in ducting • Cost-effective way to recover and reuse heat from

Watch the training video for the WSEC residential energy codes: 2021 Edition Washington State Energy Code-Residential – March 2024 video- recording and 2021 Edition Washington State Energy Code-Residential – March 2024 slides.

Effective March 15, 2024. Based on the 2021 IECC. Please note that "Residential" includes One- and Two-family dwellings, Townhouses and R-3 buildings three stories or less, and Group R-2 buildings three stories or less with dwelling units that are accessed directly from the exterior.

Current Status of the 2021 WSEC-C u Effective date of the 2021 WSEC has been delayed until October 29 th , 2023 u The Energy Code Technical Advisory Group (TAG) is being reconvened to