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About This Webinar
Our 2025 webinar series will cover specific technical topics in the 2021 Washington State Energy Code (WSEC) commercial provisions. In this webinar we will summarize the fundamentals of the C407 Total Building Performance compliance path and share helpful insight from energy modeling experts.
Funding for this webinar series is provided by the Northwest Energy Efficiency Alliance (NEEA).
Agenda
- What is Section C407 Total Building Performance (TBP)?
- Why design teams choose the TBP path to demonstrate compliance with the energy code
- Types of projects that can utilize the TBP compliance path
- Mandatory provisions under Section C407
- Provisions that are optional under Section C407
- Who can perform energy modeling for TBP compliance?
- Permit submittal documentation requirements
- Tips from energy modeling experts
When:
Wednesday, December 17, 2025 · 12:00 p.m. · Pacific Time (US & Canada)
Duration: 1 hour 30 minutes
Language:
English
Who can attend? Everyone
Webinar ID: 839440865ae6
Dial-in available?
(listen only): No
Featured Presenters
Owner, Lewellen Associates, LLC
Duane is a recognized expert in the Washington State Energy Code and has been providing Energy Code training and technical support for over 25 years. Duane works with Evergreen Technology Consultants to provide training and technical support for the WSEC-C.
Evergreen Technology Consulting - Director Energy Code Services
Lisa manages the technical support program for the commercial WSEC. She has been in this role since 2011. She is an instructor and technical advisor, supporting energy code compliance through advocacy, online resources and industry education.
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