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The WSU Energy Program offers training on the following topics. 

Training Opportunities

In-person training has been replaced by recorded webinars until further notice.

Residential Energy Code Compliance

The 2018 Washington State Energy Code (WSEC) will take effect on February 1, 2021. This recorded presentation provides an overview of WSEC 2018 changes. It is designed for building department staff, builders, sub-contractors, architects, and any other building industry professionals wishing to gain a proficient understanding of this code. Once you have watched this training, you are invited to send your questions to

2018 WSEC-R - Presentation (1 hr)
2018 WSEC-R - Slides (pdf)

Multifamily Resources

This webinar presented to the Housing Development Consortium of Seattle - King County in July 2020 provides guidance about multifamily components of the WSEC.

2018 WSEC-R Multifamily Updates (1 hr 20 min)

Duct Testing

WSEC requires duct testing if HVAC ducts are located outside the conditioned space. This training is designed for industry professionals involved in duct installation and code officials directly affected by this code requirement. In this presentation, attendees learn about the testing standard and how to operate testing equipment.

HVAC technicians who participate in this training and pass a brief exam will receive a certificate documenting completion of the minimum requirement to test ducts for WSEC compliance. This training does not certify individuals to test ducts for the Northwest ENERGY STAR Program or Performance Tested Comfort Systems (PTCS). Technicians who can verify that they have successfully completed duct testing training provided by the Northwest ENERGY STAR Program or from PTCS are not required to take this course.

HVAC Duct Testing Training & Certification Class - Presentation (1 hr 16 mins)
HVAC Duct Testing Training & Certification Class - Slides (pdf)

Background Materials:

WSU Energy Program factsheet
Duct sealing brochure
Duct testing standards
Duct leakage affidavit (new construction)
Duct leakage affidavit (existing construction)
Moving ducts inside: big builders, scientists find common ground - ACEEE article
Duct testing equipment: see manufacturers' websites such as The Energy Conservatory, Retrotec

Air Sealing: Best Practices and Code Compliance

This course provides the fundamentals of building science and the impact of air leakage on energy loss, building pressure, and the importance of mechanical ventilation. This course will help designers and builders understand methods to air seal homes in order to pass the mandatory air leakage testing requirements of the WSEC. Participants gain an understanding of prescriptive air sealing requirements, air barrier and leakage testing protocols and requirements, and best practices for selecting and installing mechanical ventilation systems. Measures to improve indoor air quality are also covered.

Fee: Classes are free

Scheduled classes: To be announced

Ventilation and Indoor Air Quality (VIAQ)

The Washington VIAQ Code was previously a stand-alone code in Washington. As of July 2010, the VIAQ Code is gone; however, the requirements are still in place. These requirements can be found throughout the state amendments to the IRC, IBC, and IMC. In this seminar, participants will gain an understanding of state VIAQ requirements in new and existing construction, and building science and healthy indoor air quality fundamentals.

Fee: Classes are free

Scheduled classes: To be announced


We periodically offer training to become certified professionals for ENERGY STAR and Home Energy Rater (HERS).

Scheduled classes: To be announced

Industrial Trainings

In he past, we have offered various industrial equipment training and coordinate with regional training providers. Contact the industrial team for more information or to be added to the industrial training mailing list.

Plant Operator: One-day, end-user efficiency trainings are offered in collaboration with other regional service providers. Topics include improving the energy efficiency of industrial systems such as motors, pumps, process heating, compressed air, steam ,and refrigeration.

Custom Industrial: We coordinate on-site and specialized training services.

DOE Qualified Specialist: We coordinate training of specialists who wish to be certified by the U.S. DOE to help industrial facilities identify ways to improve system efficiency. Trainings focus on best practices software tools for systems such as compressed air, fans, process heating, pumping, and steam.

Northwest Energy Efficiency Alliance: See the NEEA Event Calendar.