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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 requirements for fresh air ventilation in commercial buildings, including commercial Group R-2 buildings. We'll connect the dots between the requirements in the WSEC-C and the International Mechanical Code (IMC) with WA State amendments.

Funding for this webinar series is provided by the Northwest Energy Efficiency Alliance (NEEA).

Agenda
  • Codes in WA State that govern ventilation air systems
  • Summary of dedicated outside air system (DOAS) requirements
  • Ventilation for commercial buildings other than Group R
  • Group R-1 hotel and motel sleeping units
  • Group R-2 multifamily dwelling units
  • Ventilation for Group R common areas (corridors & amenity spaces)
When: Tuesday, July 8, 2025 · 12:00 p.m. · Pacific Time (US & Canada)
Duration: 1 hour 30 minutes
Language: English
Who can attend? Everyone
Webinar ID: acf8c210eaed
Dial-in available? (listen only): No
Featured Presenters
Webinar hosting presenter
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.
Webinar hosting presenter Lisa Rosenow - Evergreen Technology Consulting (ETC)
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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