Washington State Energy Code This website provides helpful technical resources and supports the process of demonstrating compliance with the Washington State Energy Code (WSEC) Commercial Provisions
WSEC Documents - WSEC Commercial Technical Support Washington State Energy Code (WSEC) This code has three parts and all are required for a complete copy of the WSEC - commercial provisions, residential provisions and appendix chapters
2015 2018 WSEC Webtool Information - WSEC Commercial Technical Support What's a webtool? A webtool contains one or more online tools that utilize data entered into an application, processes it and returns output in the form of features and reports Create an account and login to start using the webtool for your WSEC commercial project!
Residential Support Page - WSEC Commercial Technical Support WSEC Residential Support Residential buildings include detached one- and two-family dwellings and multiple single-family dwellings (townhouses), as well as Group R-2, R-3 and R-4 buildings three stories or less above grade
WSEC Education Page - Top - WSEC Commercial Technical Support Our 2025 webinar series will cover specific technical topics in the 2021 Washington State Energy Code (WSEC) commercial provisions Funding for this webinar series is provided by the Northwest Energy Efficiency Alliance (NEEA)
WSEC News - WSEC Commercial Technical Support This online resource captures many details from the WSEC for envelope, mechanical and lighting systems Many jurisdictions require this documentation for a project permit submittal